Home / 499,614.90-749,520.66-144,631.86

Finding the Fourth Proportional to 499,614.90, 749,520.66 and 144,631.86

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Solution

The fourth proportional to 499,614.90, 749,520.66 and 144,631.86 is: 216,976.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,614.90 : 749,520.66 = 144,631.86 : x
  2. Step 2: Convert to fraction form
    499,614.90/749,520.66 = 144,631.86/x
  3. Step 3: Cross multiply
    499,614.90x = 749,520.66 × 144,631.86
  4. Step 4: Simplify right side
    499,614.90x = 108,404,567,164.23
  5. Step 5: Solve for x
    x = 108,404,567,164.23/499,614.90
  6. Step 6: Final answer
    x = 216,976.25

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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.