Home / 448,316.11-672,142.01-270,781.61

Finding the Fourth Proportional to 448,316.11, 672,142.01 and 270,781.61

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Solution

The fourth proportional to 448,316.11, 672,142.01 and 270,781.61 is: 405,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,316.11 : 672,142.01 = 270,781.61 : x
  2. Step 2: Convert to fraction form
    448,316.11/672,142.01 = 270,781.61/x
  3. Step 3: Cross multiply
    448,316.11x = 672,142.01 × 270,781.61
  4. Step 4: Simplify right side
    448,316.11x = 182,003,695,942.88
  5. Step 5: Solve for x
    x = 182,003,695,942.88/448,316.11
  6. Step 6: Final answer
    x = 405,971.80

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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.