Home / 279,659.24-385,938.66-152,338.92

Finding the Fourth Proportional to 279,659.24, 385,938.66 and 152,338.92

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Solution

The fourth proportional to 279,659.24, 385,938.66 and 152,338.92 is: 210,232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,659.24 : 385,938.66 = 152,338.92 : x
  2. Step 2: Convert to fraction form
    279,659.24/385,938.66 = 152,338.92/x
  3. Step 3: Cross multiply
    279,659.24x = 385,938.66 × 152,338.92
  4. Step 4: Simplify right side
    279,659.24x = 58,793,478,650.65
  5. Step 5: Solve for x
    x = 58,793,478,650.65/279,659.24
  6. Step 6: Final answer
    x = 210,232.56

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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.