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Finding the Fourth Proportional to 247,203.12, 341,304.12 and 146,633.52

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Solution

The fourth proportional to 247,203.12, 341,304.12 and 146,633.52 is: 202,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,203.12 : 341,304.12 = 146,633.52 : x
  2. Step 2: Convert to fraction form
    247,203.12/341,304.12 = 146,633.52/x
  3. Step 3: Cross multiply
    247,203.12x = 341,304.12 × 146,633.52
  4. Step 4: Simplify right side
    247,203.12x = 50,046,624,506.10
  5. Step 5: Solve for x
    x = 50,046,624,506.10/247,203.12
  6. Step 6: Final answer
    x = 202,451.43

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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.