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Finding the Fourth Proportional to 252,700.50, 348,311.40 and 179,138

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Solution

The fourth proportional to 252,700.50, 348,311.40 and 179,138 is: 246,916.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,700.50 : 348,311.40 = 179,138 : x
  2. Step 2: Convert to fraction form
    252,700.50/348,311.40 = 179,138/x
  3. Step 3: Cross multiply
    252,700.50x = 348,311.40 × 179,138
  4. Step 4: Simplify right side
    252,700.50x = 62,395,807,573.20
  5. Step 5: Solve for x
    x = 62,395,807,573.20/252,700.50
  6. Step 6: Final answer
    x = 246,916.04

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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.