Home / 207,942.65-311,330.77-202,110.65

Finding the Fourth Proportional to 207,942.65, 311,330.77 and 202,110.65

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Solution

The fourth proportional to 207,942.65, 311,330.77 and 202,110.65 is: 302,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,942.65 : 311,330.77 = 202,110.65 : x
  2. Step 2: Convert to fraction form
    207,942.65/311,330.77 = 202,110.65/x
  3. Step 3: Cross multiply
    207,942.65x = 311,330.77 × 202,110.65
  4. Step 4: Simplify right side
    207,942.65x = 62,923,264,289.70
  5. Step 5: Solve for x
    x = 62,923,264,289.70/207,942.65
  6. Step 6: Final answer
    x = 302,599.13

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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.