Home / 438,320.30-657,480.45-227,930.90

Finding the Fourth Proportional to 438,320.30, 657,480.45 and 227,930.90

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Solution

The fourth proportional to 438,320.30, 657,480.45 and 227,930.90 is: 341,896.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,320.30 : 657,480.45 = 227,930.90 : x
  2. Step 2: Convert to fraction form
    438,320.30/657,480.45 = 227,930.90/x
  3. Step 3: Cross multiply
    438,320.30x = 657,480.45 × 227,930.90
  4. Step 4: Simplify right side
    438,320.30x = 149,860,110,700.91
  5. Step 5: Solve for x
    x = 149,860,110,700.91/438,320.30
  6. Step 6: Final answer
    x = 341,896.35

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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.