Home / 279,306.44-385,444.72-151,982.94

Finding the Fourth Proportional to 279,306.44, 385,444.72 and 151,982.94

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Solution

The fourth proportional to 279,306.44, 385,444.72 and 151,982.94 is: 209,737.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,306.44 : 385,444.72 = 151,982.94 : x
  2. Step 2: Convert to fraction form
    279,306.44/385,444.72 = 151,982.94/x
  3. Step 3: Cross multiply
    279,306.44x = 385,444.72 × 151,982.94
  4. Step 4: Simplify right side
    279,306.44x = 58,581,021,753.08
  5. Step 5: Solve for x
    x = 58,581,021,753.08/279,306.44
  6. Step 6: Final answer
    x = 209,737.45

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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.