Home / 499,390.26-748,929.87-166,888.50

Finding the Fourth Proportional to 499,390.26, 748,929.87 and 166,888.50

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Solution

The fourth proportional to 499,390.26, 748,929.87 and 166,888.50 is: 250,280.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,390.26 : 748,929.87 = 166,888.50 : x
  2. Step 2: Convert to fraction form
    499,390.26/748,929.87 = 166,888.50/x
  3. Step 3: Cross multiply
    499,390.26x = 748,929.87 × 166,888.50
  4. Step 4: Simplify right side
    499,390.26x = 124,987,782,609.50
  5. Step 5: Solve for x
    x = 124,987,782,609.50/499,390.26
  6. Step 6: Final answer
    x = 250,280.78

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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.