Home / 225,549.18-311,243.28-123,574.50

Finding the Fourth Proportional to 225,549.18, 311,243.28 and 123,574.50

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Solution

The fourth proportional to 225,549.18, 311,243.28 and 123,574.50 is: 170,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,549.18 : 311,243.28 = 123,574.50 : x
  2. Step 2: Convert to fraction form
    225,549.18/311,243.28 = 123,574.50/x
  3. Step 3: Cross multiply
    225,549.18x = 311,243.28 × 123,574.50
  4. Step 4: Simplify right side
    225,549.18x = 38,461,732,704.36
  5. Step 5: Solve for x
    x = 38,461,732,704.36/225,549.18
  6. Step 6: Final answer
    x = 170,524.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.