Home / 268,669.38-370,766.84-153,945.75

Finding the Fourth Proportional to 268,669.38, 370,766.84 and 153,945.75

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Solution

The fourth proportional to 268,669.38, 370,766.84 and 153,945.75 is: 212,446.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,669.38 : 370,766.84 = 153,945.75 : x
  2. Step 2: Convert to fraction form
    268,669.38/370,766.84 = 153,945.75/x
  3. Step 3: Cross multiply
    268,669.38x = 370,766.84 × 153,945.75
  4. Step 4: Simplify right side
    268,669.38x = 57,077,978,489.20
  5. Step 5: Solve for x
    x = 57,077,978,489.20/268,669.38
  6. Step 6: Final answer
    x = 212,446.91

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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.