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Finding the Fourth Proportional to 255,006.82, 382,505.91 and 88,790.50

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Solution

The fourth proportional to 255,006.82, 382,505.91 and 88,790.50 is: 133,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,006.82 : 382,505.91 = 88,790.50 : x
  2. Step 2: Convert to fraction form
    255,006.82/382,505.91 = 88,790.50/x
  3. Step 3: Cross multiply
    255,006.82x = 382,505.91 × 88,790.50
  4. Step 4: Simplify right side
    255,006.82x = 33,962,891,001.86
  5. Step 5: Solve for x
    x = 33,962,891,001.86/255,006.82
  6. Step 6: Final answer
    x = 133,184.25

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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.