Home / 262,839.40-394,215.96-73,312.66

Finding the Fourth Proportional to 262,839.40, 394,215.96 and 73,312.66

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Solution

The fourth proportional to 262,839.40, 394,215.96 and 73,312.66 is: 109,956.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,839.40 : 394,215.96 = 73,312.66 : x
  2. Step 2: Convert to fraction form
    262,839.40/394,215.96 = 73,312.66/x
  3. Step 3: Cross multiply
    262,839.40x = 394,215.96 × 73,312.66
  4. Step 4: Simplify right side
    262,839.40x = 28,901,020,642.05
  5. Step 5: Solve for x
    x = 28,901,020,642.05/262,839.40
  6. Step 6: Final answer
    x = 109,956.96

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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.