Home / 572,077.38-858,121.26-145,613.70

Finding the Fourth Proportional to 572,077.38, 858,121.26 and 145,613.70

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Solution

The fourth proportional to 572,077.38, 858,121.26 and 145,613.70 is: 218,421.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,077.38 : 858,121.26 = 145,613.70 : x
  2. Step 2: Convert to fraction form
    572,077.38/858,121.26 = 145,613.70/x
  3. Step 3: Cross multiply
    572,077.38x = 858,121.26 × 145,613.70
  4. Step 4: Simplify right side
    572,077.38x = 124,954,211,717.26
  5. Step 5: Solve for x
    x = 124,954,211,717.26/572,077.38
  6. Step 6: Final answer
    x = 218,421.87

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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.