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Finding the Fourth Proportional to 510,084.40, 764,251.80 and 243,270.40

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Solution

The fourth proportional to 510,084.40, 764,251.80 and 243,270.40 is: 364,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,084.40 : 764,251.80 = 243,270.40 : x
  2. Step 2: Convert to fraction form
    510,084.40/764,251.80 = 243,270.40/x
  3. Step 3: Cross multiply
    510,084.40x = 764,251.80 × 243,270.40
  4. Step 4: Simplify right side
    510,084.40x = 185,919,841,086.72
  5. Step 5: Solve for x
    x = 185,919,841,086.72/510,084.40
  6. Step 6: Final answer
    x = 364,488.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.