Home / 260,624.16-390,199.03-165,618.85

Finding the Fourth Proportional to 260,624.16, 390,199.03 and 165,618.85

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Solution

The fourth proportional to 260,624.16, 390,199.03 and 165,618.85 is: 247,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,624.16 : 390,199.03 = 165,618.85 : x
  2. Step 2: Convert to fraction form
    260,624.16/390,199.03 = 165,618.85/x
  3. Step 3: Cross multiply
    260,624.16x = 390,199.03 × 165,618.85
  4. Step 4: Simplify right side
    260,624.16x = 64,624,314,619.72
  5. Step 5: Solve for x
    x = 64,624,314,619.72/260,624.16
  6. Step 6: Final answer
    x = 247,959.80

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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.