Home / 413,130.97-619,871.42-225,923.77

Finding the Fourth Proportional to 413,130.97, 619,871.42 and 225,923.77

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Solution

The fourth proportional to 413,130.97, 619,871.42 and 225,923.77 is: 338,981.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,130.97 : 619,871.42 = 225,923.77 : x
  2. Step 2: Convert to fraction form
    413,130.97/619,871.42 = 225,923.77/x
  3. Step 3: Cross multiply
    413,130.97x = 619,871.42 × 225,923.77
  4. Step 4: Simplify right side
    413,130.97x = 140,043,688,121.65
  5. Step 5: Solve for x
    x = 140,043,688,121.65/413,130.97
  6. Step 6: Final answer
    x = 338,981.34

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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.