Home / 401,551.30-554,158.17-240,375.16

Finding the Fourth Proportional to 401,551.30, 554,158.17 and 240,375.16

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Solution

The fourth proportional to 401,551.30, 554,158.17 and 240,375.16 is: 331,728.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,551.30 : 554,158.17 = 240,375.16 : x
  2. Step 2: Convert to fraction form
    401,551.30/554,158.17 = 240,375.16/x
  3. Step 3: Cross multiply
    401,551.30x = 554,158.17 × 240,375.16
  4. Step 4: Simplify right side
    401,551.30x = 133,205,858,779.06
  5. Step 5: Solve for x
    x = 133,205,858,779.06/401,551.30
  6. Step 6: Final answer
    x = 331,728.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.