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Finding the Fourth Proportional to 282,029.76, 423,046.08 and 95,042.88

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Solution

The fourth proportional to 282,029.76, 423,046.08 and 95,042.88 is: 142,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,029.76 : 423,046.08 = 95,042.88 : x
  2. Step 2: Convert to fraction form
    282,029.76/423,046.08 = 95,042.88/x
  3. Step 3: Cross multiply
    282,029.76x = 423,046.08 × 95,042.88
  4. Step 4: Simplify right side
    282,029.76x = 40,207,517,815.91
  5. Step 5: Solve for x
    x = 40,207,517,815.91/282,029.76
  6. Step 6: Final answer
    x = 142,564.81

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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.