Home / 393,042.11-589,534.00-140,293.76

Finding the Fourth Proportional to 393,042.11, 589,534.00 and 140,293.76

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Solution

The fourth proportional to 393,042.11, 589,534.00 and 140,293.76 is: 210,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,042.11 : 589,534.00 = 140,293.76 : x
  2. Step 2: Convert to fraction form
    393,042.11/589,534.00 = 140,293.76/x
  3. Step 3: Cross multiply
    393,042.11x = 589,534.00 × 140,293.76
  4. Step 4: Simplify right side
    393,042.11x = 82,707,938,209.44
  5. Step 5: Solve for x
    x = 82,707,938,209.44/393,042.11
  6. Step 6: Final answer
    x = 210,430.22

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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.