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Finding the Fourth Proportional to 340,248.08, 510,560.08 and 140,522

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Solution

The fourth proportional to 340,248.08, 510,560.08 and 140,522 is: 210,860.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,248.08 : 510,560.08 = 140,522 : x
  2. Step 2: Convert to fraction form
    340,248.08/510,560.08 = 140,522/x
  3. Step 3: Cross multiply
    340,248.08x = 510,560.08 × 140,522
  4. Step 4: Simplify right side
    340,248.08x = 71,744,923,561.76
  5. Step 5: Solve for x
    x = 71,744,923,561.76/340,248.08
  6. Step 6: Final answer
    x = 210,860.63

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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.