Home / 393,151.93-589,578.24-140,385.35

Finding the Fourth Proportional to 393,151.93, 589,578.24 and 140,385.35

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Solution

The fourth proportional to 393,151.93, 589,578.24 and 140,385.35 is: 210,524.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,151.93 : 589,578.24 = 140,385.35 : x
  2. Step 2: Convert to fraction form
    393,151.93/589,578.24 = 140,385.35/x
  3. Step 3: Cross multiply
    393,151.93x = 589,578.24 × 140,385.35
  4. Step 4: Simplify right side
    393,151.93x = 82,768,149,575.17
  5. Step 5: Solve for x
    x = 82,768,149,575.17/393,151.93
  6. Step 6: Final answer
    x = 210,524.59

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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.