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Finding the Fourth Proportional to 473,231.32, 708,715.32 and 272,944.52

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Solution

The fourth proportional to 473,231.32, 708,715.32 and 272,944.52 is: 408,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,231.32 : 708,715.32 = 272,944.52 : x
  2. Step 2: Convert to fraction form
    473,231.32/708,715.32 = 272,944.52/x
  3. Step 3: Cross multiply
    473,231.32x = 708,715.32 × 272,944.52
  4. Step 4: Simplify right side
    473,231.32x = 193,439,962,834.05
  5. Step 5: Solve for x
    x = 193,439,962,834.05/473,231.32
  6. Step 6: Final answer
    x = 408,764.08

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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.