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Finding the Fourth Proportional to 173,400.47, 260,100.71 and 48,741.47

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Solution

The fourth proportional to 173,400.47, 260,100.71 and 48,741.47 is: 73,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,400.47 : 260,100.71 = 48,741.47 : x
  2. Step 2: Convert to fraction form
    173,400.47/260,100.71 = 48,741.47/x
  3. Step 3: Cross multiply
    173,400.47x = 260,100.71 × 48,741.47
  4. Step 4: Simplify right side
    173,400.47x = 12,677,691,359.99
  5. Step 5: Solve for x
    x = 12,677,691,359.99/173,400.47
  6. Step 6: Final answer
    x = 73,112.21

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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.