Home / 499,290.26-748,976.60-162,323.21

Finding the Fourth Proportional to 499,290.26, 748,976.60 and 162,323.21

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Solution

The fourth proportional to 499,290.26, 748,976.60 and 162,323.21 is: 243,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,290.26 : 748,976.60 = 162,323.21 : x
  2. Step 2: Convert to fraction form
    499,290.26/748,976.60 = 162,323.21/x
  3. Step 3: Cross multiply
    499,290.26x = 748,976.60 × 162,323.21
  4. Step 4: Simplify right side
    499,290.26x = 121,576,288,205.14
  5. Step 5: Solve for x
    x = 121,576,288,205.14/499,290.26
  6. Step 6: Final answer
    x = 243,498.22

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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.