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Finding the Fourth Proportional to 369,388.88, 554,083.43 and 88,906.13

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Solution

The fourth proportional to 369,388.88, 554,083.43 and 88,906.13 is: 133,359.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,388.88 : 554,083.43 = 88,906.13 : x
  2. Step 2: Convert to fraction form
    369,388.88/554,083.43 = 88,906.13/x
  3. Step 3: Cross multiply
    369,388.88x = 554,083.43 × 88,906.13
  4. Step 4: Simplify right side
    369,388.88x = 49,261,413,013.90
  5. Step 5: Solve for x
    x = 49,261,413,013.90/369,388.88
  6. Step 6: Final answer
    x = 133,359.22

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1.5x scale

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.