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Finding the Fourth Proportional to 467,209.56, 700,901.70 and 217,891.56

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Solution

The fourth proportional to 467,209.56, 700,901.70 and 217,891.56 is: 326,878.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,209.56 : 700,901.70 = 217,891.56 : x
  2. Step 2: Convert to fraction form
    467,209.56/700,901.70 = 217,891.56/x
  3. Step 3: Cross multiply
    467,209.56x = 700,901.70 × 217,891.56
  4. Step 4: Simplify right side
    467,209.56x = 152,720,564,819.65
  5. Step 5: Solve for x
    x = 152,720,564,819.65/467,209.56
  6. Step 6: Final answer
    x = 326,878.08

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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.