Home / 437,764.20-656,646.30-251,140.20

Finding the Fourth Proportional to 437,764.20, 656,646.30 and 251,140.20

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Solution

The fourth proportional to 437,764.20, 656,646.30 and 251,140.20 is: 376,710.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,764.20 : 656,646.30 = 251,140.20 : x
  2. Step 2: Convert to fraction form
    437,764.20/656,646.30 = 251,140.20/x
  3. Step 3: Cross multiply
    437,764.20x = 656,646.30 × 251,140.20
  4. Step 4: Simplify right side
    437,764.20x = 164,910,283,111.26
  5. Step 5: Solve for x
    x = 164,910,283,111.26/437,764.20
  6. Step 6: Final answer
    x = 376,710.30

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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.