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Finding the Fourth Proportional to 359,425.20, 496,000.62 and 198,295.68

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Solution

The fourth proportional to 359,425.20, 496,000.62 and 198,295.68 is: 273,644.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,425.20 : 496,000.62 = 198,295.68 : x
  2. Step 2: Convert to fraction form
    359,425.20/496,000.62 = 198,295.68/x
  3. Step 3: Cross multiply
    359,425.20x = 496,000.62 × 198,295.68
  4. Step 4: Simplify right side
    359,425.20x = 98,354,780,223.32
  5. Step 5: Solve for x
    x = 98,354,780,223.32/359,425.20
  6. Step 6: Final answer
    x = 273,644.64

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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.