Home / 812,182.48-1,218,221.84-251,170

Finding the Fourth Proportional to 812,182.48, 1,218,221.84 and 251,170

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Solution

The fourth proportional to 812,182.48, 1,218,221.84 and 251,170 is: 376,738.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,182.48 : 1,218,221.84 = 251,170 : x
  2. Step 2: Convert to fraction form
    812,182.48/1,218,221.84 = 251,170/x
  3. Step 3: Cross multiply
    812,182.48x = 1,218,221.84 × 251,170
  4. Step 4: Simplify right side
    812,182.48x = 305,980,779,552.80
  5. Step 5: Solve for x
    x = 305,980,779,552.80/812,182.48
  6. Step 6: Final answer
    x = 376,738.96

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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.