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Finding the Fourth Proportional to 500,386.52, 750,467.20 and 230,255.54

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Solution

The fourth proportional to 500,386.52, 750,467.20 and 230,255.54 is: 345,331.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,386.52 : 750,467.20 = 230,255.54 : x
  2. Step 2: Convert to fraction form
    500,386.52/750,467.20 = 230,255.54/x
  3. Step 3: Cross multiply
    500,386.52x = 750,467.20 × 230,255.54
  4. Step 4: Simplify right side
    500,386.52x = 172,799,230,388.29
  5. Step 5: Solve for x
    x = 172,799,230,388.29/500,386.52
  6. Step 6: Final answer
    x = 345,331.51

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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.