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Finding the Fourth Proportional to 466,959.20, 644,449.50 and 273,355.22

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Solution

The fourth proportional to 466,959.20, 644,449.50 and 273,355.22 is: 377,257.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,959.20 : 644,449.50 = 273,355.22 : x
  2. Step 2: Convert to fraction form
    466,959.20/644,449.50 = 273,355.22/x
  3. Step 3: Cross multiply
    466,959.20x = 644,449.50 × 273,355.22
  4. Step 4: Simplify right side
    466,959.20x = 176,163,636,462.51
  5. Step 5: Solve for x
    x = 176,163,636,462.51/466,959.20
  6. Step 6: Final answer
    x = 377,257.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.