Home / 437,538.10-656,380.05-171,307.30

Finding the Fourth Proportional to 437,538.10, 656,380.05 and 171,307.30

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Solution

The fourth proportional to 437,538.10, 656,380.05 and 171,307.30 is: 256,989.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,538.10 : 656,380.05 = 171,307.30 : x
  2. Step 2: Convert to fraction form
    437,538.10/656,380.05 = 171,307.30/x
  3. Step 3: Cross multiply
    437,538.10x = 656,380.05 × 171,307.30
  4. Step 4: Simplify right side
    437,538.10x = 112,442,694,139.37
  5. Step 5: Solve for x
    x = 112,442,694,139.37/437,538.10
  6. Step 6: Final answer
    x = 256,989.49

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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.