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Finding the Fourth Proportional to 147,080.19, 220,599.45 and 47,227.44

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Solution

The fourth proportional to 147,080.19, 220,599.45 and 47,227.44 is: 70,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,080.19 : 220,599.45 = 47,227.44 : x
  2. Step 2: Convert to fraction form
    147,080.19/220,599.45 = 47,227.44/x
  3. Step 3: Cross multiply
    147,080.19x = 220,599.45 × 47,227.44
  4. Step 4: Simplify right side
    147,080.19x = 10,418,347,288.91
  5. Step 5: Solve for x
    x = 10,418,347,288.91/147,080.19
  6. Step 6: Final answer
    x = 70,834.47

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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.