Home / 251,904.38-347,639.27-148,542.71

Finding the Fourth Proportional to 251,904.38, 347,639.27 and 148,542.71

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Solution

The fourth proportional to 251,904.38, 347,639.27 and 148,542.71 is: 204,995.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,904.38 : 347,639.27 = 148,542.71 : x
  2. Step 2: Convert to fraction form
    251,904.38/347,639.27 = 148,542.71/x
  3. Step 3: Cross multiply
    251,904.38x = 347,639.27 × 148,542.71
  4. Step 4: Simplify right side
    251,904.38x = 51,639,276,787.31
  5. Step 5: Solve for x
    x = 51,639,276,787.31/251,904.38
  6. Step 6: Final answer
    x = 204,995.55

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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.