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Finding the Fourth Proportional to 359,671.59, 498,445.65 and 354,597.75

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Solution

The fourth proportional to 359,671.59, 498,445.65 and 354,597.75 is: 491,414.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,671.59 : 498,445.65 = 354,597.75 : x
  2. Step 2: Convert to fraction form
    359,671.59/498,445.65 = 354,597.75/x
  3. Step 3: Cross multiply
    359,671.59x = 498,445.65 × 354,597.75
  4. Step 4: Simplify right side
    359,671.59x = 176,747,705,987.29
  5. Step 5: Solve for x
    x = 176,747,705,987.29/359,671.59
  6. Step 6: Final answer
    x = 491,414.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.