Home / 436,283.39-654,425.27-136,787.32

Finding the Fourth Proportional to 436,283.39, 654,425.27 and 136,787.32

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Solution

The fourth proportional to 436,283.39, 654,425.27 and 136,787.32 is: 205,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,283.39 : 654,425.27 = 136,787.32 : x
  2. Step 2: Convert to fraction form
    436,283.39/654,425.27 = 136,787.32/x
  3. Step 3: Cross multiply
    436,283.39x = 654,425.27 × 136,787.32
  4. Step 4: Simplify right side
    436,283.39x = 89,517,078,823.58
  5. Step 5: Solve for x
    x = 89,517,078,823.58/436,283.39
  6. Step 6: Final answer
    x = 205,181.04

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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.