Home / 313,351.12-432,492.78-192,555.82

Finding the Fourth Proportional to 313,351.12, 432,492.78 and 192,555.82

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Solution

The fourth proportional to 313,351.12, 432,492.78 and 192,555.82 is: 265,768.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,351.12 : 432,492.78 = 192,555.82 : x
  2. Step 2: Convert to fraction form
    313,351.12/432,492.78 = 192,555.82/x
  3. Step 3: Cross multiply
    313,351.12x = 432,492.78 × 192,555.82
  4. Step 4: Simplify right side
    313,351.12x = 83,279,001,896.98
  5. Step 5: Solve for x
    x = 83,279,001,896.98/313,351.12
  6. Step 6: Final answer
    x = 265,768.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.