Home / 474,610.20-711,915.30-142,186.20

Finding the Fourth Proportional to 474,610.20, 711,915.30 and 142,186.20

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Solution

The fourth proportional to 474,610.20, 711,915.30 and 142,186.20 is: 213,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,610.20 : 711,915.30 = 142,186.20 : x
  2. Step 2: Convert to fraction form
    474,610.20/711,915.30 = 142,186.20/x
  3. Step 3: Cross multiply
    474,610.20x = 711,915.30 × 142,186.20
  4. Step 4: Simplify right side
    474,610.20x = 101,224,531,228.86
  5. Step 5: Solve for x
    x = 101,224,531,228.86/474,610.20
  6. Step 6: Final answer
    x = 213,279.30

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Similar ratio
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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.