Home / 445,009.30-667,532.42-129,466.20

Finding the Fourth Proportional to 445,009.30, 667,532.42 and 129,466.20

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Solution

The fourth proportional to 445,009.30, 667,532.42 and 129,466.20 is: 194,204.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,009.30 : 667,532.42 = 129,466.20 : x
  2. Step 2: Convert to fraction form
    445,009.30/667,532.42 = 129,466.20/x
  3. Step 3: Cross multiply
    445,009.30x = 667,532.42 × 129,466.20
  4. Step 4: Simplify right side
    445,009.30x = 86,422,885,794.20
  5. Step 5: Solve for x
    x = 86,422,885,794.20/445,009.30
  6. Step 6: Final answer
    x = 194,204.67

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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.