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Finding the Fourth Proportional to 359,650.12, 496,312.12 and 198,508.20

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Solution

The fourth proportional to 359,650.12, 496,312.12 and 198,508.20 is: 273,938.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,650.12 : 496,312.12 = 198,508.20 : x
  2. Step 2: Convert to fraction form
    359,650.12/496,312.12 = 198,508.20/x
  3. Step 3: Cross multiply
    359,650.12x = 496,312.12 × 198,508.20
  4. Step 4: Simplify right side
    359,650.12x = 98,522,025,579.38
  5. Step 5: Solve for x
    x = 98,522,025,579.38/359,650.12
  6. Step 6: Final answer
    x = 273,938.53

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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.