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Finding the Fourth Proportional to 359,066.28, 495,488.88 and 197,912.44

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Solution

The fourth proportional to 359,066.28, 495,488.88 and 197,912.44 is: 273,106.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,066.28 : 495,488.88 = 197,912.44 : x
  2. Step 2: Convert to fraction form
    359,066.28/495,488.88 = 197,912.44/x
  3. Step 3: Cross multiply
    359,066.28x = 495,488.88 × 197,912.44
  4. Step 4: Simplify right side
    359,066.28x = 98,063,413,233.67
  5. Step 5: Solve for x
    x = 98,063,413,233.67/359,066.28
  6. Step 6: Final answer
    x = 273,106.72

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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.