Home / 402,977.16-604,335.24-133,044.66

Finding the Fourth Proportional to 402,977.16, 604,335.24 and 133,044.66

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Solution

The fourth proportional to 402,977.16, 604,335.24 and 133,044.66 is: 199,523.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,977.16 : 604,335.24 = 133,044.66 : x
  2. Step 2: Convert to fraction form
    402,977.16/604,335.24 = 133,044.66/x
  3. Step 3: Cross multiply
    402,977.16x = 604,335.24 × 133,044.66
  4. Step 4: Simplify right side
    402,977.16x = 80,403,576,531.82
  5. Step 5: Solve for x
    x = 80,403,576,531.82/402,977.16
  6. Step 6: Final answer
    x = 199,523.90

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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.