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Finding the Fourth Proportional to 359,253.96, 495,759.06 and 198,115.80

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Solution

The fourth proportional to 359,253.96, 495,759.06 and 198,115.80 is: 273,393.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,253.96 : 495,759.06 = 198,115.80 : x
  2. Step 2: Convert to fraction form
    359,253.96/495,759.06 = 198,115.80/x
  3. Step 3: Cross multiply
    359,253.96x = 495,759.06 × 198,115.80
  4. Step 4: Simplify right side
    359,253.96x = 98,217,702,779.15
  5. Step 5: Solve for x
    x = 98,217,702,779.15/359,253.96
  6. Step 6: Final answer
    x = 273,393.51

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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.