Home / 215,078.90-322,247.79-167,787.38

Finding the Fourth Proportional to 215,078.90, 322,247.79 and 167,787.38

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Solution

The fourth proportional to 215,078.90, 322,247.79 and 167,787.38 is: 251,391.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,078.90 : 322,247.79 = 167,787.38 : x
  2. Step 2: Convert to fraction form
    215,078.90/322,247.79 = 167,787.38/x
  3. Step 3: Cross multiply
    215,078.90x = 322,247.79 × 167,787.38
  4. Step 4: Simplify right side
    215,078.90x = 54,069,112,394.89
  5. Step 5: Solve for x
    x = 54,069,112,394.89/215,078.90
  6. Step 6: Final answer
    x = 251,391.99

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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.