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Finding the Fourth Proportional to 330,117.60, 495,147.60 and 108,501.60

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Solution

The fourth proportional to 330,117.60, 495,147.60 and 108,501.60 is: 162,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,117.60 : 495,147.60 = 108,501.60 : x
  2. Step 2: Convert to fraction form
    330,117.60/495,147.60 = 108,501.60/x
  3. Step 3: Cross multiply
    330,117.60x = 495,147.60 × 108,501.60
  4. Step 4: Simplify right side
    330,117.60x = 53,724,306,836.16
  5. Step 5: Solve for x
    x = 53,724,306,836.16/330,117.60
  6. Step 6: Final answer
    x = 162,742.93

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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.