Home / 393,003.29-589,629.48-140,278.18

Finding the Fourth Proportional to 393,003.29, 589,629.48 and 140,278.18

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Solution

The fourth proportional to 393,003.29, 589,629.48 and 140,278.18 is: 210,461.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,003.29 : 589,629.48 = 140,278.18 : x
  2. Step 2: Convert to fraction form
    393,003.29/589,629.48 = 140,278.18/x
  3. Step 3: Cross multiply
    393,003.29x = 589,629.48 × 140,278.18
  4. Step 4: Simplify right side
    393,003.29x = 82,712,148,854.67
  5. Step 5: Solve for x
    x = 82,712,148,854.67/393,003.29
  6. Step 6: Final answer
    x = 210,461.72

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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.