Home / 279,259.44-385,381.97-151,935.13

Finding the Fourth Proportional to 279,259.44, 385,381.97 and 151,935.13

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Solution

The fourth proportional to 279,259.44, 385,381.97 and 151,935.13 is: 209,672.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,259.44 : 385,381.97 = 151,935.13 : x
  2. Step 2: Convert to fraction form
    279,259.44/385,381.97 = 151,935.13/x
  3. Step 3: Cross multiply
    279,259.44x = 385,381.97 × 151,935.13
  4. Step 4: Simplify right side
    279,259.44x = 58,553,059,711.61
  5. Step 5: Solve for x
    x = 58,553,059,711.61/279,259.44
  6. Step 6: Final answer
    x = 209,672.62

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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.