Home / 409,115.61-564,592.40-225,367.52

Finding the Fourth Proportional to 409,115.61, 564,592.40 and 225,367.52

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Solution

The fourth proportional to 409,115.61, 564,592.40 and 225,367.52 is: 311,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,115.61 : 564,592.40 = 225,367.52 : x
  2. Step 2: Convert to fraction form
    409,115.61/564,592.40 = 225,367.52/x
  3. Step 3: Cross multiply
    409,115.61x = 564,592.40 × 225,367.52
  4. Step 4: Simplify right side
    409,115.61x = 127,240,785,049.05
  5. Step 5: Solve for x
    x = 127,240,785,049.05/409,115.61
  6. Step 6: Final answer
    x = 311,014.25

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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.