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Finding the Fourth Proportional to 332,292, 498,438 and 98,820

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Solution

The fourth proportional to 332,292, 498,438 and 98,820 is: 148,230

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,292 : 498,438 = 98,820 : x
  2. Step 2: Convert to fraction form
    332,292/498,438 = 98,820/x
  3. Step 3: Cross multiply
    332,292x = 498,438 × 98,820
  4. Step 4: Simplify right side
    332,292x = 49,255,643,160
  5. Step 5: Solve for x
    x = 49,255,643,160/332,292
  6. Step 6: Final answer
    x = 148,230

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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.