Home / 279,579.08-385,805.76-152,253.92

Finding the Fourth Proportional to 279,579.08, 385,805.76 and 152,253.92

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Solution

The fourth proportional to 279,579.08, 385,805.76 and 152,253.92 is: 210,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,579.08 : 385,805.76 = 152,253.92 : x
  2. Step 2: Convert to fraction form
    279,579.08/385,805.76 = 152,253.92/x
  3. Step 3: Cross multiply
    279,579.08x = 385,805.76 × 152,253.92
  4. Step 4: Simplify right side
    279,579.08x = 58,740,439,318.58
  5. Step 5: Solve for x
    x = 58,740,439,318.58/279,579.08
  6. Step 6: Final answer
    x = 210,103.13

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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.