Home / 493,187.28-739,718.58-156,262.11

Finding the Fourth Proportional to 493,187.28, 739,718.58 and 156,262.11

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Solution

The fourth proportional to 493,187.28, 739,718.58 and 156,262.11 is: 234,373.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,187.28 : 739,718.58 = 156,262.11 : x
  2. Step 2: Convert to fraction form
    493,187.28/739,718.58 = 156,262.11/x
  3. Step 3: Cross multiply
    493,187.28x = 739,718.58 × 156,262.11
  4. Step 4: Simplify right side
    493,187.28x = 115,589,986,117.00
  5. Step 5: Solve for x
    x = 115,589,986,117.00/493,187.28
  6. Step 6: Final answer
    x = 234,373.41

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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.