Home / 218,841.57-328,297.35-92,483.04

Finding the Fourth Proportional to 218,841.57, 328,297.35 and 92,483.04

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Solution

The fourth proportional to 218,841.57, 328,297.35 and 92,483.04 is: 138,739.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,841.57 : 328,297.35 = 92,483.04 : x
  2. Step 2: Convert to fraction form
    218,841.57/328,297.35 = 92,483.04/x
  3. Step 3: Cross multiply
    218,841.57x = 328,297.35 × 92,483.04
  4. Step 4: Simplify right side
    218,841.57x = 30,361,936,951.94
  5. Step 5: Solve for x
    x = 30,361,936,951.94/218,841.57
  6. Step 6: Final answer
    x = 138,739.35

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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.