Home / 515,773.24-773,669.41-178,824.87

Finding the Fourth Proportional to 515,773.24, 773,669.41 and 178,824.87

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Solution

The fourth proportional to 515,773.24, 773,669.41 and 178,824.87 is: 268,240.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,773.24 : 773,669.41 = 178,824.87 : x
  2. Step 2: Convert to fraction form
    515,773.24/773,669.41 = 178,824.87/x
  3. Step 3: Cross multiply
    515,773.24x = 773,669.41 × 178,824.87
  4. Step 4: Simplify right side
    515,773.24x = 138,351,331,219.17
  5. Step 5: Solve for x
    x = 138,351,331,219.17/515,773.24
  6. Step 6: Final answer
    x = 268,240.62

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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.