Home / 279,418.38-417,098.96-258,602.46

Finding the Fourth Proportional to 279,418.38, 417,098.96 and 258,602.46

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Solution

The fourth proportional to 279,418.38, 417,098.96 and 258,602.46 is: 386,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,418.38 : 417,098.96 = 258,602.46 : x
  2. Step 2: Convert to fraction form
    279,418.38/417,098.96 = 258,602.46/x
  3. Step 3: Cross multiply
    279,418.38x = 417,098.96 × 258,602.46
  4. Step 4: Simplify right side
    279,418.38x = 107,862,815,826.43
  5. Step 5: Solve for x
    x = 107,862,815,826.43/279,418.38
  6. Step 6: Final answer
    x = 386,026.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.