Home / 225,428.37-338,165.13-83,311.00

Finding the Fourth Proportional to 225,428.37, 338,165.13 and 83,311.00

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Solution

The fourth proportional to 225,428.37, 338,165.13 and 83,311.00 is: 124,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,428.37 : 338,165.13 = 83,311.00 : x
  2. Step 2: Convert to fraction form
    225,428.37/338,165.13 = 83,311.00/x
  3. Step 3: Cross multiply
    225,428.37x = 338,165.13 × 83,311.00
  4. Step 4: Simplify right side
    225,428.37x = 28,172,875,880.55
  5. Step 5: Solve for x
    x = 28,172,875,880.55/225,428.37
  6. Step 6: Final answer
    x = 124,974.85

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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.