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Finding the Fourth Proportional to 225,915.87, 338,653.47 and 107,555.43

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Solution

The fourth proportional to 225,915.87, 338,653.47 and 107,555.43 is: 161,228.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,915.87 : 338,653.47 = 107,555.43 : x
  2. Step 2: Convert to fraction form
    225,915.87/338,653.47 = 107,555.43/x
  3. Step 3: Cross multiply
    225,915.87x = 338,653.47 × 107,555.43
  4. Step 4: Simplify right side
    225,915.87x = 36,424,019,586.84
  5. Step 5: Solve for x
    x = 36,424,019,586.84/225,915.87
  6. Step 6: Final answer
    x = 161,228.25

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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.