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Finding the Fourth Proportional to 493,171.43, 739,103.15 and 253,275.65

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Solution

The fourth proportional to 493,171.43, 739,103.15 and 253,275.65 is: 379,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,171.43 : 739,103.15 = 253,275.65 : x
  2. Step 2: Convert to fraction form
    493,171.43/739,103.15 = 253,275.65/x
  3. Step 3: Cross multiply
    493,171.43x = 739,103.15 × 253,275.65
  4. Step 4: Simplify right side
    493,171.43x = 187,196,825,771.40
  5. Step 5: Solve for x
    x = 187,196,825,771.40/493,171.43
  6. Step 6: Final answer
    x = 379,577.60

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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.