Home / 448,618.20-672,927.24-133,072.38

Finding the Fourth Proportional to 448,618.20, 672,927.24 and 133,072.38

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Solution

The fourth proportional to 448,618.20, 672,927.24 and 133,072.38 is: 199,608.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,618.20 : 672,927.24 = 133,072.38 : x
  2. Step 2: Convert to fraction form
    448,618.20/672,927.24 = 133,072.38/x
  3. Step 3: Cross multiply
    448,618.20x = 672,927.24 × 133,072.38
  4. Step 4: Simplify right side
    448,618.20x = 89,548,029,393.63
  5. Step 5: Solve for x
    x = 89,548,029,393.63/448,618.20
  6. Step 6: Final answer
    x = 199,608.55

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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.