Home / 279,617.42-385,876.53-152,293.03

Finding the Fourth Proportional to 279,617.42, 385,876.53 and 152,293.03

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Solution

The fourth proportional to 279,617.42, 385,876.53 and 152,293.03 is: 210,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,617.42 : 385,876.53 = 152,293.03 : x
  2. Step 2: Convert to fraction form
    279,617.42/385,876.53 = 152,293.03/x
  3. Step 3: Cross multiply
    279,617.42x = 385,876.53 × 152,293.03
  4. Step 4: Simplify right side
    279,617.42x = 58,766,305,959.59
  5. Step 5: Solve for x
    x = 58,766,305,959.59/279,617.42
  6. Step 6: Final answer
    x = 210,166.83

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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.