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Finding the Fourth Proportional to 453,001.68, 679,494.84 and 157,506

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Solution

The fourth proportional to 453,001.68, 679,494.84 and 157,506 is: 236,256.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,001.68 : 679,494.84 = 157,506 : x
  2. Step 2: Convert to fraction form
    453,001.68/679,494.84 = 157,506/x
  3. Step 3: Cross multiply
    453,001.68x = 679,494.84 × 157,506
  4. Step 4: Simplify right side
    453,001.68x = 107,024,514,269.04
  5. Step 5: Solve for x
    x = 107,024,514,269.04/453,001.68
  6. Step 6: Final answer
    x = 236,256.33

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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.