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Finding the Fourth Proportional to 247,955.43, 371,957.79 and 98,299.02

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Solution

The fourth proportional to 247,955.43, 371,957.79 and 98,299.02 is: 147,458.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,955.43 : 371,957.79 = 98,299.02 : x
  2. Step 2: Convert to fraction form
    247,955.43/371,957.79 = 98,299.02/x
  3. Step 3: Cross multiply
    247,955.43x = 371,957.79 × 98,299.02
  4. Step 4: Simplify right side
    247,955.43x = 36,563,086,238.37
  5. Step 5: Solve for x
    x = 36,563,086,238.37/247,955.43
  6. Step 6: Final answer
    x = 147,458.30

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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.