Home / 374,273.79-561,633.03-137,782.56

Finding the Fourth Proportional to 374,273.79, 561,633.03 and 137,782.56

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Solution

The fourth proportional to 374,273.79, 561,633.03 and 137,782.56 is: 206,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,273.79 : 561,633.03 = 137,782.56 : x
  2. Step 2: Convert to fraction form
    374,273.79/561,633.03 = 137,782.56/x
  3. Step 3: Cross multiply
    374,273.79x = 561,633.03 × 137,782.56
  4. Step 4: Simplify right side
    374,273.79x = 77,383,236,653.96
  5. Step 5: Solve for x
    x = 77,383,236,653.96/374,273.79
  6. Step 6: Final answer
    x = 206,755.69

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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.