Home / 839,099.20-1,258,648.80-240,096.10

Finding the Fourth Proportional to 839,099.20, 1,258,648.80 and 240,096.10

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Solution

The fourth proportional to 839,099.20, 1,258,648.80 and 240,096.10 is: 360,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,099.20 : 1,258,648.80 = 240,096.10 : x
  2. Step 2: Convert to fraction form
    839,099.20/1,258,648.80 = 240,096.10/x
  3. Step 3: Cross multiply
    839,099.20x = 1,258,648.80 × 240,096.10
  4. Step 4: Simplify right side
    839,099.20x = 302,196,668,149.68
  5. Step 5: Solve for x
    x = 302,196,668,149.68/839,099.20
  6. Step 6: Final answer
    x = 360,144.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.