Home / 331,812.30-457,887.78-195,890.03

Finding the Fourth Proportional to 331,812.30, 457,887.78 and 195,890.03

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Solution

The fourth proportional to 331,812.30, 457,887.78 and 195,890.03 is: 270,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,812.30 : 457,887.78 = 195,890.03 : x
  2. Step 2: Convert to fraction form
    331,812.30/457,887.78 = 195,890.03/x
  3. Step 3: Cross multiply
    331,812.30x = 457,887.78 × 195,890.03
  4. Step 4: Simplify right side
    331,812.30x = 89,695,650,960.83
  5. Step 5: Solve for x
    x = 89,695,650,960.83/331,812.30
  6. Step 6: Final answer
    x = 270,320.45

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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.