Home / 218,776.82-328,370.04-134,701.11

Finding the Fourth Proportional to 218,776.82, 328,370.04 and 134,701.11

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Solution

The fourth proportional to 218,776.82, 328,370.04 and 134,701.11 is: 202,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,776.82 : 328,370.04 = 134,701.11 : x
  2. Step 2: Convert to fraction form
    218,776.82/328,370.04 = 134,701.11/x
  3. Step 3: Cross multiply
    218,776.82x = 328,370.04 × 134,701.11
  4. Step 4: Simplify right side
    218,776.82x = 44,231,808,878.74
  5. Step 5: Solve for x
    x = 44,231,808,878.74/218,776.82
  6. Step 6: Final answer
    x = 202,177.77

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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.