Home / 410,201.22-615,298.19-143,899.35

Finding the Fourth Proportional to 410,201.22, 615,298.19 and 143,899.35

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Solution

The fourth proportional to 410,201.22, 615,298.19 and 143,899.35 is: 215,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,201.22 : 615,298.19 = 143,899.35 : x
  2. Step 2: Convert to fraction form
    410,201.22/615,298.19 = 143,899.35/x
  3. Step 3: Cross multiply
    410,201.22x = 615,298.19 × 143,899.35
  4. Step 4: Simplify right side
    410,201.22x = 88,541,008,877.68
  5. Step 5: Solve for x
    x = 88,541,008,877.68/410,201.22
  6. Step 6: Final answer
    x = 215,847.75

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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.