Home / 245,104.14-338,268.51-149,666.70

Finding the Fourth Proportional to 245,104.14, 338,268.51 and 149,666.70

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Solution

The fourth proportional to 245,104.14, 338,268.51 and 149,666.70 is: 206,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,104.14 : 338,268.51 = 149,666.70 : x
  2. Step 2: Convert to fraction form
    245,104.14/338,268.51 = 149,666.70/x
  3. Step 3: Cross multiply
    245,104.14x = 338,268.51 × 149,666.70
  4. Step 4: Simplify right side
    245,104.14x = 50,627,531,605.62
  5. Step 5: Solve for x
    x = 50,627,531,605.62/245,104.14
  6. Step 6: Final answer
    x = 206,555.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.