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Finding the Fourth Proportional to 340,002.20, 510,003.30 and 337,928.60

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Solution

The fourth proportional to 340,002.20, 510,003.30 and 337,928.60 is: 506,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,002.20 : 510,003.30 = 337,928.60 : x
  2. Step 2: Convert to fraction form
    340,002.20/510,003.30 = 337,928.60/x
  3. Step 3: Cross multiply
    340,002.20x = 510,003.30 × 337,928.60
  4. Step 4: Simplify right side
    340,002.20x = 172,344,701,164.38
  5. Step 5: Solve for x
    x = 172,344,701,164.38/340,002.20
  6. Step 6: Final answer
    x = 506,892.90

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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.