Home / 499,140.35-748,752.05-162,173.54

Finding the Fourth Proportional to 499,140.35, 748,752.05 and 162,173.54

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Solution

The fourth proportional to 499,140.35, 748,752.05 and 162,173.54 is: 243,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,140.35 : 748,752.05 = 162,173.54 : x
  2. Step 2: Convert to fraction form
    499,140.35/748,752.05 = 162,173.54/x
  3. Step 3: Cross multiply
    499,140.35x = 748,752.05 × 162,173.54
  4. Step 4: Simplify right side
    499,140.35x = 121,427,770,530.76
  5. Step 5: Solve for x
    x = 121,427,770,530.76/499,140.35
  6. Step 6: Final answer
    x = 243,273.80

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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.