Home / 276,020.42-413,502.71-231,327.72

Finding the Fourth Proportional to 276,020.42, 413,502.71 and 231,327.72

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Solution

The fourth proportional to 276,020.42, 413,502.71 and 231,327.72 is: 346,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,020.42 : 413,502.71 = 231,327.72 : x
  2. Step 2: Convert to fraction form
    276,020.42/413,502.71 = 231,327.72/x
  3. Step 3: Cross multiply
    276,020.42x = 413,502.71 × 231,327.72
  4. Step 4: Simplify right side
    276,020.42x = 95,654,637,961.48
  5. Step 5: Solve for x
    x = 95,654,637,961.48/276,020.42
  6. Step 6: Final answer
    x = 346,549.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.