Home / 279,924.24-386,179.14-165,157.32

Finding the Fourth Proportional to 279,924.24, 386,179.14 and 165,157.32

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Solution

The fourth proportional to 279,924.24, 386,179.14 and 165,157.32 is: 227,848.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,924.24 : 386,179.14 = 165,157.32 : x
  2. Step 2: Convert to fraction form
    279,924.24/386,179.14 = 165,157.32/x
  3. Step 3: Cross multiply
    279,924.24x = 386,179.14 × 165,157.32
  4. Step 4: Simplify right side
    279,924.24x = 63,780,311,802.30
  5. Step 5: Solve for x
    x = 63,780,311,802.30/279,924.24
  6. Step 6: Final answer
    x = 227,848.48

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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.