Home / 279,927.24-386,183.28-165,160.32

Finding the Fourth Proportional to 279,927.24, 386,183.28 and 165,160.32

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Solution

The fourth proportional to 279,927.24, 386,183.28 and 165,160.32 is: 227,852.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,927.24 : 386,183.28 = 165,160.32 : x
  2. Step 2: Convert to fraction form
    279,927.24/386,183.28 = 165,160.32/x
  3. Step 3: Cross multiply
    279,927.24x = 386,183.28 × 165,160.32
  4. Step 4: Simplify right side
    279,927.24x = 63,782,154,103.45
  5. Step 5: Solve for x
    x = 63,782,154,103.45/279,927.24
  6. Step 6: Final answer
    x = 227,852.62

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1.5x scale

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.