Home / 375,628.20-518,363.94-205,861.92

Finding the Fourth Proportional to 375,628.20, 518,363.94 and 205,861.92

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Solution

The fourth proportional to 375,628.20, 518,363.94 and 205,861.92 is: 284,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628.20 : 518,363.94 = 205,861.92 : x
  2. Step 2: Convert to fraction form
    375,628.20/518,363.94 = 205,861.92/x
  3. Step 3: Cross multiply
    375,628.20x = 518,363.94 × 205,861.92
  4. Step 4: Simplify right side
    375,628.20x = 106,711,395,947.17
  5. Step 5: Solve for x
    x = 106,711,395,947.17/375,628.20
  6. Step 6: Final answer
    x = 284,087.82

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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.