Home / 217,189.85-299,722.09-132,306.91

Finding the Fourth Proportional to 217,189.85, 299,722.09 and 132,306.91

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Solution

The fourth proportional to 217,189.85, 299,722.09 and 132,306.91 is: 182,583.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,189.85 : 299,722.09 = 132,306.91 : x
  2. Step 2: Convert to fraction form
    217,189.85/299,722.09 = 132,306.91/x
  3. Step 3: Cross multiply
    217,189.85x = 299,722.09 × 132,306.91
  4. Step 4: Simplify right side
    217,189.85x = 39,655,302,925.11
  5. Step 5: Solve for x
    x = 39,655,302,925.11/217,189.85
  6. Step 6: Final answer
    x = 182,583.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.