Home / 279,828.44-386,165.40-152,503.64

Finding the Fourth Proportional to 279,828.44, 386,165.40 and 152,503.64

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Solution

The fourth proportional to 279,828.44, 386,165.40 and 152,503.64 is: 210,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,828.44 : 386,165.40 = 152,503.64 : x
  2. Step 2: Convert to fraction form
    279,828.44/386,165.40 = 152,503.64/x
  3. Step 3: Cross multiply
    279,828.44x = 386,165.40 × 152,503.64
  4. Step 4: Simplify right side
    279,828.44x = 58,891,629,142.06
  5. Step 5: Solve for x
    x = 58,891,629,142.06/279,828.44
  6. Step 6: Final answer
    x = 210,456.20

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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.