Home / 394,376.85-591,827.31-145,058.85

Finding the Fourth Proportional to 394,376.85, 591,827.31 and 145,058.85

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Solution

The fourth proportional to 394,376.85, 591,827.31 and 145,058.85 is: 217,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,376.85 : 591,827.31 = 145,058.85 : x
  2. Step 2: Convert to fraction form
    394,376.85/591,827.31 = 145,058.85/x
  3. Step 3: Cross multiply
    394,376.85x = 591,827.31 × 145,058.85
  4. Step 4: Simplify right side
    394,376.85x = 85,849,788,987.19
  5. Step 5: Solve for x
    x = 85,849,788,987.19/394,376.85
  6. Step 6: Final answer
    x = 217,684.66

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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.