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Finding the Fourth Proportional to 162,338.80, 243,335.40 and 62,460.40

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Solution

The fourth proportional to 162,338.80, 243,335.40 and 62,460.40 is: 93,624.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,338.80 : 243,335.40 = 62,460.40 : x
  2. Step 2: Convert to fraction form
    162,338.80/243,335.40 = 62,460.40/x
  3. Step 3: Cross multiply
    162,338.80x = 243,335.40 × 62,460.40
  4. Step 4: Simplify right side
    162,338.80x = 15,198,826,418.16
  5. Step 5: Solve for x
    x = 15,198,826,418.16/162,338.80
  6. Step 6: Final answer
    x = 93,624.11

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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.