Home / 262,028.12-392,996.54-84,535.11

Finding the Fourth Proportional to 262,028.12, 392,996.54 and 84,535.11

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Solution

The fourth proportional to 262,028.12, 392,996.54 and 84,535.11 is: 126,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,028.12 : 392,996.54 = 84,535.11 : x
  2. Step 2: Convert to fraction form
    262,028.12/392,996.54 = 84,535.11/x
  3. Step 3: Cross multiply
    262,028.12x = 392,996.54 × 84,535.11
  4. Step 4: Simplify right side
    262,028.12x = 33,222,005,949.86
  5. Step 5: Solve for x
    x = 33,222,005,949.86/262,028.12
  6. Step 6: Final answer
    x = 126,787.94

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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.