Home / 279,885.18-386,238.56-152,558.04

Finding the Fourth Proportional to 279,885.18, 386,238.56 and 152,558.04

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Solution

The fourth proportional to 279,885.18, 386,238.56 and 152,558.04 is: 210,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,885.18 : 386,238.56 = 152,558.04 : x
  2. Step 2: Convert to fraction form
    279,885.18/386,238.56 = 152,558.04/x
  3. Step 3: Cross multiply
    279,885.18x = 386,238.56 × 152,558.04
  4. Step 4: Simplify right side
    279,885.18x = 58,923,797,686.02
  5. Step 5: Solve for x
    x = 58,923,797,686.02/279,885.18
  6. Step 6: Final answer
    x = 210,528.47

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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.