Home / 207,941.15-311,328.53-202,109.15

Finding the Fourth Proportional to 207,941.15, 311,328.53 and 202,109.15

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Solution

The fourth proportional to 207,941.15, 311,328.53 and 202,109.15 is: 302,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,941.15 : 311,328.53 = 202,109.15 : x
  2. Step 2: Convert to fraction form
    207,941.15/311,328.53 = 202,109.15/x
  3. Step 3: Cross multiply
    207,941.15x = 311,328.53 × 202,109.15
  4. Step 4: Simplify right side
    207,941.15x = 62,922,343,558.50
  5. Step 5: Solve for x
    x = 62,922,343,558.50/207,941.15
  6. Step 6: Final answer
    x = 302,596.88

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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.