Home / 296,984.92-445,441.20-86,623.06

Finding the Fourth Proportional to 296,984.92, 445,441.20 and 86,623.06

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Solution

The fourth proportional to 296,984.92, 445,441.20 and 86,623.06 is: 129,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,984.92 : 445,441.20 = 86,623.06 : x
  2. Step 2: Convert to fraction form
    296,984.92/445,441.20 = 86,623.06/x
  3. Step 3: Cross multiply
    296,984.92x = 445,441.20 × 86,623.06
  4. Step 4: Simplify right side
    296,984.92x = 38,585,479,794.07
  5. Step 5: Solve for x
    x = 38,585,479,794.07/296,984.92
  6. Step 6: Final answer
    x = 129,924.04

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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.