Home / 279,888.24-386,249.79-152,563.83

Finding the Fourth Proportional to 279,888.24, 386,249.79 and 152,563.83

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Solution

The fourth proportional to 279,888.24, 386,249.79 and 152,563.83 is: 210,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,888.24 : 386,249.79 = 152,563.83 : x
  2. Step 2: Convert to fraction form
    279,888.24/386,249.79 = 152,563.83/x
  3. Step 3: Cross multiply
    279,888.24x = 386,249.79 × 152,563.83
  4. Step 4: Simplify right side
    279,888.24x = 58,927,747,299.10
  5. Step 5: Solve for x
    x = 58,927,747,299.10/279,888.24
  6. Step 6: Final answer
    x = 210,540.28

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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.