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Finding the Fourth Proportional to 359,141.30, 495,618.45 and 198,002.60

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Solution

The fourth proportional to 359,141.30, 495,618.45 and 198,002.60 is: 273,245.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,141.30 : 495,618.45 = 198,002.60 : x
  2. Step 2: Convert to fraction form
    359,141.30/495,618.45 = 198,002.60/x
  3. Step 3: Cross multiply
    359,141.30x = 495,618.45 × 198,002.60
  4. Step 4: Simplify right side
    359,141.30x = 98,133,741,707.97
  5. Step 5: Solve for x
    x = 98,133,741,707.97/359,141.30
  6. Step 6: Final answer
    x = 273,245.49

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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.