Home / 325,134.38-448,618.22-223,122.63

Finding the Fourth Proportional to 325,134.38, 448,618.22 and 223,122.63

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Solution

The fourth proportional to 325,134.38, 448,618.22 and 223,122.63 is: 307,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,134.38 : 448,618.22 = 223,122.63 : x
  2. Step 2: Convert to fraction form
    325,134.38/448,618.22 = 223,122.63/x
  3. Step 3: Cross multiply
    325,134.38x = 448,618.22 × 223,122.63
  4. Step 4: Simplify right side
    325,134.38x = 100,096,877,112.32
  5. Step 5: Solve for x
    x = 100,096,877,112.32/325,134.38
  6. Step 6: Final answer
    x = 307,863.10

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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.