Home / 293,073.40-439,610.10-272,078.20

Finding the Fourth Proportional to 293,073.40, 439,610.10 and 272,078.20

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Solution

The fourth proportional to 293,073.40, 439,610.10 and 272,078.20 is: 408,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,073.40 : 439,610.10 = 272,078.20 : x
  2. Step 2: Convert to fraction form
    293,073.40/439,610.10 = 272,078.20/x
  3. Step 3: Cross multiply
    293,073.40x = 439,610.10 × 272,078.20
  4. Step 4: Simplify right side
    293,073.40x = 119,608,324,709.82
  5. Step 5: Solve for x
    x = 119,608,324,709.82/293,073.40
  6. Step 6: Final answer
    x = 408,117.30

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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.