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Finding the Fourth Proportional to 255,005.40, 382,508.10 and 88,793.40

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Solution

The fourth proportional to 255,005.40, 382,508.10 and 88,793.40 is: 133,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,005.40 : 382,508.10 = 88,793.40 : x
  2. Step 2: Convert to fraction form
    255,005.40/382,508.10 = 88,793.40/x
  3. Step 3: Cross multiply
    255,005.40x = 382,508.10 × 88,793.40
  4. Step 4: Simplify right side
    255,005.40x = 33,964,194,726.54
  5. Step 5: Solve for x
    x = 33,964,194,726.54/255,005.40
  6. Step 6: Final answer
    x = 133,190.10

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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.