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Finding the Fourth Proportional to 341,279.59, 511,700.68 and 141,737.71

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Solution

The fourth proportional to 341,279.59, 511,700.68 and 141,737.71 is: 212,515.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,279.59 : 511,700.68 = 141,737.71 : x
  2. Step 2: Convert to fraction form
    341,279.59/511,700.68 = 141,737.71/x
  3. Step 3: Cross multiply
    341,279.59x = 511,700.68 × 141,737.71
  4. Step 4: Simplify right side
    341,279.59x = 72,527,282,588.64
  5. Step 5: Solve for x
    x = 72,527,282,588.64/341,279.59
  6. Step 6: Final answer
    x = 212,515.73

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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.