Home / 279,522.06-385,747.38-152,204.64

Finding the Fourth Proportional to 279,522.06, 385,747.38 and 152,204.64

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Solution

The fourth proportional to 279,522.06, 385,747.38 and 152,204.64 is: 210,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,522.06 : 385,747.38 = 152,204.64 : x
  2. Step 2: Convert to fraction form
    279,522.06/385,747.38 = 152,204.64/x
  3. Step 3: Cross multiply
    279,522.06x = 385,747.38 × 152,204.64
  4. Step 4: Simplify right side
    279,522.06x = 58,712,541,103.84
  5. Step 5: Solve for x
    x = 58,712,541,103.84/279,522.06
  6. Step 6: Final answer
    x = 210,046.18

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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.