Home / 207,653.18-311,552.03-65,520.38

Finding the Fourth Proportional to 207,653.18, 311,552.03 and 65,520.38

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Solution

The fourth proportional to 207,653.18, 311,552.03 and 65,520.38 is: 98,303.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,653.18 : 311,552.03 = 65,520.38 : x
  2. Step 2: Convert to fraction form
    207,653.18/311,552.03 = 65,520.38/x
  3. Step 3: Cross multiply
    207,653.18x = 311,552.03 × 65,520.38
  4. Step 4: Simplify right side
    207,653.18x = 20,413,008,338.05
  5. Step 5: Solve for x
    x = 20,413,008,338.05/207,653.18
  6. Step 6: Final answer
    x = 98,303.38

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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.