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Finding the Fourth Proportional to 315,714.50, 473,572.05 and 88,001.02

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Solution

The fourth proportional to 315,714.50, 473,572.05 and 88,001.02 is: 132,001.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,714.50 : 473,572.05 = 88,001.02 : x
  2. Step 2: Convert to fraction form
    315,714.50/473,572.05 = 88,001.02/x
  3. Step 3: Cross multiply
    315,714.50x = 473,572.05 × 88,001.02
  4. Step 4: Simplify right side
    315,714.50x = 41,674,823,443.49
  5. Step 5: Solve for x
    x = 41,674,823,443.49/315,714.50
  6. Step 6: Final answer
    x = 132,001.61

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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.