Home / 207,933.90-311,317.65-202,101.90

Finding the Fourth Proportional to 207,933.90, 311,317.65 and 202,101.90

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Solution

The fourth proportional to 207,933.90, 311,317.65 and 202,101.90 is: 302,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,933.90 : 311,317.65 = 202,101.90 : x
  2. Step 2: Convert to fraction form
    207,933.90/311,317.65 = 202,101.90/x
  3. Step 3: Cross multiply
    207,933.90x = 311,317.65 × 202,101.90
  4. Step 4: Simplify right side
    207,933.90x = 62,917,888,568.54
  5. Step 5: Solve for x
    x = 62,917,888,568.54/207,933.90
  6. Step 6: Final answer
    x = 302,586.01

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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.