Home / 268,880.34-403,569.45-135,854.22

Finding the Fourth Proportional to 268,880.34, 403,569.45 and 135,854.22

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Solution

The fourth proportional to 268,880.34, 403,569.45 and 135,854.22 is: 203,907.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,880.34 : 403,569.45 = 135,854.22 : x
  2. Step 2: Convert to fraction form
    268,880.34/403,569.45 = 135,854.22/x
  3. Step 3: Cross multiply
    268,880.34x = 403,569.45 × 135,854.22
  4. Step 4: Simplify right side
    268,880.34x = 54,826,612,845.58
  5. Step 5: Solve for x
    x = 54,826,612,845.58/268,880.34
  6. Step 6: Final answer
    x = 203,907.11

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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.