Home / 638,340.14-957,543.02-165,029.60

Finding the Fourth Proportional to 638,340.14, 957,543.02 and 165,029.60

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Solution

The fourth proportional to 638,340.14, 957,543.02 and 165,029.60 is: 247,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,340.14 : 957,543.02 = 165,029.60 : x
  2. Step 2: Convert to fraction form
    638,340.14/957,543.02 = 165,029.60/x
  3. Step 3: Cross multiply
    638,340.14x = 957,543.02 × 165,029.60
  4. Step 4: Simplify right side
    638,340.14x = 158,022,943,760.96
  5. Step 5: Solve for x
    x = 158,022,943,760.96/638,340.14
  6. Step 6: Final answer
    x = 247,552.88

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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.