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Finding the Fourth Proportional to 173,697.71, 260,519.91 and 47,348.11

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Solution

The fourth proportional to 173,697.71, 260,519.91 and 47,348.11 is: 71,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,697.71 : 260,519.91 = 47,348.11 : x
  2. Step 2: Convert to fraction form
    173,697.71/260,519.91 = 47,348.11/x
  3. Step 3: Cross multiply
    173,697.71x = 260,519.91 × 47,348.11
  4. Step 4: Simplify right side
    173,697.71x = 12,335,125,503.96
  5. Step 5: Solve for x
    x = 12,335,125,503.96/173,697.71
  6. Step 6: Final answer
    x = 71,014.90

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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.