Home / 274,084.31-378,234.60-153,225.02

Finding the Fourth Proportional to 274,084.31, 378,234.60 and 153,225.02

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Solution

The fourth proportional to 274,084.31, 378,234.60 and 153,225.02 is: 211,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,084.31 : 378,234.60 = 153,225.02 : x
  2. Step 2: Convert to fraction form
    274,084.31/378,234.60 = 153,225.02/x
  3. Step 3: Cross multiply
    274,084.31x = 378,234.60 × 153,225.02
  4. Step 4: Simplify right side
    274,084.31x = 57,955,002,258.52
  5. Step 5: Solve for x
    x = 57,955,002,258.52/274,084.31
  6. Step 6: Final answer
    x = 211,449.55

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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.