Home / 263,543.32-394,543.86-163,401.40

Finding the Fourth Proportional to 263,543.32, 394,543.86 and 163,401.40

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Solution

The fourth proportional to 263,543.32, 394,543.86 and 163,401.40 is: 244,623.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,543.32 : 394,543.86 = 163,401.40 : x
  2. Step 2: Convert to fraction form
    263,543.32/394,543.86 = 163,401.40/x
  3. Step 3: Cross multiply
    263,543.32x = 394,543.86 × 163,401.40
  4. Step 4: Simplify right side
    263,543.32x = 64,469,019,085.40
  5. Step 5: Solve for x
    x = 64,469,019,085.40/263,543.32
  6. Step 6: Final answer
    x = 244,623.99

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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.