Home / 279,380.54-385,553.32-152,064.38

Finding the Fourth Proportional to 279,380.54, 385,553.32 and 152,064.38

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Solution

The fourth proportional to 279,380.54, 385,553.32 and 152,064.38 is: 209,853.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,380.54 : 385,553.32 = 152,064.38 : x
  2. Step 2: Convert to fraction form
    279,380.54/385,553.32 = 152,064.38/x
  3. Step 3: Cross multiply
    279,380.54x = 385,553.32 × 152,064.38
  4. Step 4: Simplify right side
    279,380.54x = 58,628,926,562.74
  5. Step 5: Solve for x
    x = 58,628,926,562.74/279,380.54
  6. Step 6: Final answer
    x = 209,853.29

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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.