Home / 498,911.26-748,276.98-143,838.04

Finding the Fourth Proportional to 498,911.26, 748,276.98 and 143,838.04

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Solution

The fourth proportional to 498,911.26, 748,276.98 and 143,838.04 is: 215,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,911.26 : 748,276.98 = 143,838.04 : x
  2. Step 2: Convert to fraction form
    498,911.26/748,276.98 = 143,838.04/x
  3. Step 3: Cross multiply
    498,911.26x = 748,276.98 × 143,838.04
  4. Step 4: Simplify right side
    498,911.26x = 107,630,694,180.32
  5. Step 5: Solve for x
    x = 107,630,694,180.32/498,911.26
  6. Step 6: Final answer
    x = 215,731.14

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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.