Home / 279,687.27-385,964.95-152,360.13

Finding the Fourth Proportional to 279,687.27, 385,964.95 and 152,360.13

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Solution

The fourth proportional to 279,687.27, 385,964.95 and 152,360.13 is: 210,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,687.27 : 385,964.95 = 152,360.13 : x
  2. Step 2: Convert to fraction form
    279,687.27/385,964.95 = 152,360.13/x
  3. Step 3: Cross multiply
    279,687.27x = 385,964.95 × 152,360.13
  4. Step 4: Simplify right side
    279,687.27x = 58,805,669,957.44
  5. Step 5: Solve for x
    x = 58,805,669,957.44/279,687.27
  6. Step 6: Final answer
    x = 210,255.08

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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.