Home / 217,741.69-326,528.55-84,604.42

Finding the Fourth Proportional to 217,741.69, 326,528.55 and 84,604.42

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Solution

The fourth proportional to 217,741.69, 326,528.55 and 84,604.42 is: 126,874.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.69 : 326,528.55 = 84,604.42 : x
  2. Step 2: Convert to fraction form
    217,741.69/326,528.55 = 84,604.42/x
  3. Step 3: Cross multiply
    217,741.69x = 326,528.55 × 84,604.42
  4. Step 4: Simplify right side
    217,741.69x = 27,625,758,586.19
  5. Step 5: Solve for x
    x = 27,625,758,586.19/217,741.69
  6. Step 6: Final answer
    x = 126,874.00

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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.