Home / 409,239.83-564,721.94-225,470.37

Finding the Fourth Proportional to 409,239.83, 564,721.94 and 225,470.37

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Solution

The fourth proportional to 409,239.83, 564,721.94 and 225,470.37 is: 311,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,239.83 : 564,721.94 = 225,470.37 : x
  2. Step 2: Convert to fraction form
    409,239.83/564,721.94 = 225,470.37/x
  3. Step 3: Cross multiply
    409,239.83x = 564,721.94 × 225,470.37
  4. Step 4: Simplify right side
    409,239.83x = 127,328,064,758.92
  5. Step 5: Solve for x
    x = 127,328,064,758.92/409,239.83
  6. Step 6: Final answer
    x = 311,133.12

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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.