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Finding the Fourth Proportional to 359,229.25, 495,730.90 and 198,080.16

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Solution

The fourth proportional to 359,229.25, 495,730.90 and 198,080.16 is: 273,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,229.25 : 495,730.90 = 198,080.16 : x
  2. Step 2: Convert to fraction form
    359,229.25/495,730.90 = 198,080.16/x
  3. Step 3: Cross multiply
    359,229.25x = 495,730.90 × 198,080.16
  4. Step 4: Simplify right side
    359,229.25x = 98,194,455,988.94
  5. Step 5: Solve for x
    x = 98,194,455,988.94/359,229.25
  6. Step 6: Final answer
    x = 273,347.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.