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Finding the Fourth Proportional to 117,004.89, 175,348.30 and 49,480.80

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Solution

The fourth proportional to 117,004.89, 175,348.30 and 49,480.80 is: 74,153.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,004.89 : 175,348.30 = 49,480.80 : x
  2. Step 2: Convert to fraction form
    117,004.89/175,348.30 = 49,480.80/x
  3. Step 3: Cross multiply
    117,004.89x = 175,348.30 × 49,480.80
  4. Step 4: Simplify right side
    117,004.89x = 8,676,374,162.64
  5. Step 5: Solve for x
    x = 8,676,374,162.64/117,004.89
  6. Step 6: Final answer
    x = 74,153.94

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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.