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Finding the Fourth Proportional to 225,554.72, 311,240.40 and 124,927.52

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Solution

The fourth proportional to 225,554.72, 311,240.40 and 124,927.52 is: 172,386.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,554.72 : 311,240.40 = 124,927.52 : x
  2. Step 2: Convert to fraction form
    225,554.72/311,240.40 = 124,927.52/x
  3. Step 3: Cross multiply
    225,554.72x = 311,240.40 × 124,927.52
  4. Step 4: Simplify right side
    225,554.72x = 38,882,491,295.81
  5. Step 5: Solve for x
    x = 38,882,491,295.81/225,554.72
  6. Step 6: Final answer
    x = 172,386.07

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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.