Home / 306,494.27-459,736.78-137,895.54

Finding the Fourth Proportional to 306,494.27, 459,736.78 and 137,895.54

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Solution

The fourth proportional to 306,494.27, 459,736.78 and 137,895.54 is: 206,841.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,494.27 : 459,736.78 = 137,895.54 : x
  2. Step 2: Convert to fraction form
    306,494.27/459,736.78 = 137,895.54/x
  3. Step 3: Cross multiply
    306,494.27x = 459,736.78 × 137,895.54
  4. Step 4: Simplify right side
    306,494.27x = 63,395,651,535.96
  5. Step 5: Solve for x
    x = 63,395,651,535.96/306,494.27
  6. Step 6: Final answer
    x = 206,841.23

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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.