Home / 279,819.44-386,139.56-152,492.30

Finding the Fourth Proportional to 279,819.44, 386,139.56 and 152,492.30

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Solution

The fourth proportional to 279,819.44, 386,139.56 and 152,492.30 is: 210,433.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,819.44 : 386,139.56 = 152,492.30 : x
  2. Step 2: Convert to fraction form
    279,819.44/386,139.56 = 152,492.30/x
  3. Step 3: Cross multiply
    279,819.44x = 386,139.56 × 152,492.30
  4. Step 4: Simplify right side
    279,819.44x = 58,883,306,932.23
  5. Step 5: Solve for x
    x = 58,883,306,932.23/279,819.44
  6. Step 6: Final answer
    x = 210,433.23

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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.