Home / 207,942.15-311,330.02-202,110.15

Finding the Fourth Proportional to 207,942.15, 311,330.02 and 202,110.15

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Solution

The fourth proportional to 207,942.15, 311,330.02 and 202,110.15 is: 302,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,942.15 : 311,330.02 = 202,110.15 : x
  2. Step 2: Convert to fraction form
    207,942.15/311,330.02 = 202,110.15/x
  3. Step 3: Cross multiply
    207,942.15x = 311,330.02 × 202,110.15
  4. Step 4: Simplify right side
    207,942.15x = 62,922,957,041.70
  5. Step 5: Solve for x
    x = 62,922,957,041.70/207,942.15
  6. Step 6: Final answer
    x = 302,598.38

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1.5x scale

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.