Home / 279,684.12-385,962.09-152,359.68

Finding the Fourth Proportional to 279,684.12, 385,962.09 and 152,359.68

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Solution

The fourth proportional to 279,684.12, 385,962.09 and 152,359.68 is: 210,255.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,684.12 : 385,962.09 = 152,359.68 : x
  2. Step 2: Convert to fraction form
    279,684.12/385,962.09 = 152,359.68/x
  3. Step 3: Cross multiply
    279,684.12x = 385,962.09 × 152,359.68
  4. Step 4: Simplify right side
    279,684.12x = 58,805,060,524.53
  5. Step 5: Solve for x
    x = 58,805,060,524.53/279,684.12
  6. Step 6: Final answer
    x = 210,255.27

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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.