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Finding the Fourth Proportional to 232,488, 348,735.24 and 66,276

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Solution

The fourth proportional to 232,488, 348,735.24 and 66,276 is: 99,414.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,488 : 348,735.24 = 66,276 : x
  2. Step 2: Convert to fraction form
    232,488/348,735.24 = 66,276/x
  3. Step 3: Cross multiply
    232,488x = 348,735.24 × 66,276
  4. Step 4: Simplify right side
    232,488x = 23,112,776,766.24
  5. Step 5: Solve for x
    x = 23,112,776,766.24/232,488
  6. Step 6: Final answer
    x = 99,414.92

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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.