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Finding the Fourth Proportional to 448,166.70, 671,843.16 and 223,595.82

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Solution

The fourth proportional to 448,166.70, 671,843.16 and 223,595.82 is: 335,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,166.70 : 671,843.16 = 223,595.82 : x
  2. Step 2: Convert to fraction form
    448,166.70/671,843.16 = 223,595.82/x
  3. Step 3: Cross multiply
    448,166.70x = 671,843.16 × 223,595.82
  4. Step 4: Simplify right side
    448,166.70x = 150,221,322,271.59
  5. Step 5: Solve for x
    x = 150,221,322,271.59/448,166.70
  6. Step 6: Final answer
    x = 335,190.73

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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.