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Finding the Fourth Proportional to 160,980.20, 241,470.30 and 82,248.20

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Solution

The fourth proportional to 160,980.20, 241,470.30 and 82,248.20 is: 123,372.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,980.20 : 241,470.30 = 82,248.20 : x
  2. Step 2: Convert to fraction form
    160,980.20/241,470.30 = 82,248.20/x
  3. Step 3: Cross multiply
    160,980.20x = 241,470.30 × 82,248.20
  4. Step 4: Simplify right side
    160,980.20x = 19,860,497,528.46
  5. Step 5: Solve for x
    x = 19,860,497,528.46/160,980.20
  6. Step 6: Final answer
    x = 123,372.30

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1.5x scale

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.