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Finding the Fourth Proportional to 330,113.60, 495,141.60 and 108,497.60

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Solution

The fourth proportional to 330,113.60, 495,141.60 and 108,497.60 is: 162,736.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,113.60 : 495,141.60 = 108,497.60 : x
  2. Step 2: Convert to fraction form
    330,113.60/495,141.60 = 108,497.60/x
  3. Step 3: Cross multiply
    330,113.60x = 495,141.60 × 108,497.60
  4. Step 4: Simplify right side
    330,113.60x = 53,721,675,260.16
  5. Step 5: Solve for x
    x = 53,721,675,260.16/330,113.60
  6. Step 6: Final answer
    x = 162,736.93

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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.