Home / 279,162.06-385,224.68-151,834.92

Finding the Fourth Proportional to 279,162.06, 385,224.68 and 151,834.92

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Solution

The fourth proportional to 279,162.06, 385,224.68 and 151,834.92 is: 209,521.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,162.06 : 385,224.68 = 151,834.92 : x
  2. Step 2: Convert to fraction form
    279,162.06/385,224.68 = 151,834.92/x
  3. Step 3: Cross multiply
    279,162.06x = 385,224.68 × 151,834.92
  4. Step 4: Simplify right side
    279,162.06x = 58,490,558,469.83
  5. Step 5: Solve for x
    x = 58,490,558,469.83/279,162.06
  6. Step 6: Final answer
    x = 209,521.88

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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.