Home / 394,332.12-591,261.30-154,159.94

Finding the Fourth Proportional to 394,332.12, 591,261.30 and 154,159.94

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Solution

The fourth proportional to 394,332.12, 591,261.30 and 154,159.94 is: 231,147.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,332.12 : 591,261.30 = 154,159.94 : x
  2. Step 2: Convert to fraction form
    394,332.12/591,261.30 = 154,159.94/x
  3. Step 3: Cross multiply
    394,332.12x = 591,261.30 × 154,159.94
  4. Step 4: Simplify right side
    394,332.12x = 91,148,806,532.32
  5. Step 5: Solve for x
    x = 91,148,806,532.32/394,332.12
  6. Step 6: Final answer
    x = 231,147.30

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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.