Home / 488,050.92-731,945.16-172,423.08

Finding the Fourth Proportional to 488,050.92, 731,945.16 and 172,423.08

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Solution

The fourth proportional to 488,050.92, 731,945.16 and 172,423.08 is: 258,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,050.92 : 731,945.16 = 172,423.08 : x
  2. Step 2: Convert to fraction form
    488,050.92/731,945.16 = 172,423.08/x
  3. Step 3: Cross multiply
    488,050.92x = 731,945.16 × 172,423.08
  4. Step 4: Simplify right side
    488,050.92x = 126,204,238,878.29
  5. Step 5: Solve for x
    x = 126,204,238,878.29/488,050.92
  6. Step 6: Final answer
    x = 258,588.26

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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.