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Finding the Fourth Proportional to 647,962.76, 971,952.78 and 227,250.92

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Solution

The fourth proportional to 647,962.76, 971,952.78 and 227,250.92 is: 340,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,962.76 : 971,952.78 = 227,250.92 : x
  2. Step 2: Convert to fraction form
    647,962.76/971,952.78 = 227,250.92/x
  3. Step 3: Cross multiply
    647,962.76x = 971,952.78 × 227,250.92
  4. Step 4: Simplify right side
    647,962.76x = 220,877,163,451.56
  5. Step 5: Solve for x
    x = 220,877,163,451.56/647,962.76
  6. Step 6: Final answer
    x = 340,879.41

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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.