Home / 225,787.02-311,449.20-149,305.74

Finding the Fourth Proportional to 225,787.02, 311,449.20 and 149,305.74

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Solution

The fourth proportional to 225,787.02, 311,449.20 and 149,305.74 is: 205,951.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,787.02 : 311,449.20 = 149,305.74 : x
  2. Step 2: Convert to fraction form
    225,787.02/311,449.20 = 149,305.74/x
  3. Step 3: Cross multiply
    225,787.02x = 311,449.20 × 149,305.74
  4. Step 4: Simplify right side
    225,787.02x = 46,501,153,278.41
  5. Step 5: Solve for x
    x = 46,501,153,278.41/225,787.02
  6. Step 6: Final answer
    x = 205,951.40

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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.