Home / 279,925.74-386,181.21-165,158.82

Finding the Fourth Proportional to 279,925.74, 386,181.21 and 165,158.82

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Solution

The fourth proportional to 279,925.74, 386,181.21 and 165,158.82 is: 227,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,925.74 : 386,181.21 = 165,158.82 : x
  2. Step 2: Convert to fraction form
    279,925.74/386,181.21 = 165,158.82/x
  3. Step 3: Cross multiply
    279,925.74x = 386,181.21 × 165,158.82
  4. Step 4: Simplify right side
    279,925.74x = 63,781,232,949.77
  5. Step 5: Solve for x
    x = 63,781,232,949.77/279,925.74
  6. Step 6: Final answer
    x = 227,850.55

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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.