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Finding the Fourth Proportional to 315,815.58, 473,753.12 and 88,126.29

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Solution

The fourth proportional to 315,815.58, 473,753.12 and 88,126.29 is: 132,197.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,815.58 : 473,753.12 = 88,126.29 : x
  2. Step 2: Convert to fraction form
    315,815.58/473,753.12 = 88,126.29/x
  3. Step 3: Cross multiply
    315,815.58x = 473,753.12 × 88,126.29
  4. Step 4: Simplify right side
    315,815.58x = 41,750,104,400.89
  5. Step 5: Solve for x
    x = 41,750,104,400.89/315,815.58
  6. Step 6: Final answer
    x = 132,197.74

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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.