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Finding the Fourth Proportional to 343,344.30, 513,979.65 and 301,872.30

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Solution

The fourth proportional to 343,344.30, 513,979.65 and 301,872.30 is: 451,896.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,344.30 : 513,979.65 = 301,872.30 : x
  2. Step 2: Convert to fraction form
    343,344.30/513,979.65 = 301,872.30/x
  3. Step 3: Cross multiply
    343,344.30x = 513,979.65 × 301,872.30
  4. Step 4: Simplify right side
    343,344.30x = 155,156,219,098.70
  5. Step 5: Solve for x
    x = 155,156,219,098.70/343,344.30
  6. Step 6: Final answer
    x = 451,896.88

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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.