Home / 336,948.74-505,414.38-137,268.80

Finding the Fourth Proportional to 336,948.74, 505,414.38 and 137,268.80

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Solution

The fourth proportional to 336,948.74, 505,414.38 and 137,268.80 is: 205,899.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,948.74 : 505,414.38 = 137,268.80 : x
  2. Step 2: Convert to fraction form
    336,948.74/505,414.38 = 137,268.80/x
  3. Step 3: Cross multiply
    336,948.74x = 505,414.38 × 137,268.80
  4. Step 4: Simplify right side
    336,948.74x = 69,377,625,445.34
  5. Step 5: Solve for x
    x = 69,377,625,445.34/336,948.74
  6. Step 6: Final answer
    x = 205,899.64

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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.