Home / 393,024.66-589,315.52-136,739.70

Finding the Fourth Proportional to 393,024.66, 589,315.52 and 136,739.70

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Solution

The fourth proportional to 393,024.66, 589,315.52 and 136,739.70 is: 205,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,024.66 : 589,315.52 = 136,739.70 : x
  2. Step 2: Convert to fraction form
    393,024.66/589,315.52 = 136,739.70/x
  3. Step 3: Cross multiply
    393,024.66x = 589,315.52 × 136,739.70
  4. Step 4: Simplify right side
    393,024.66x = 80,582,826,726.45
  5. Step 5: Solve for x
    x = 80,582,826,726.45/393,024.66
  6. Step 6: Final answer
    x = 205,032.50

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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.