Home / 445,031.93-667,588.94-145,514.05

Finding the Fourth Proportional to 445,031.93, 667,588.94 and 145,514.05

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Solution

The fourth proportional to 445,031.93, 667,588.94 and 145,514.05 is: 218,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,031.93 : 667,588.94 = 145,514.05 : x
  2. Step 2: Convert to fraction form
    445,031.93/667,588.94 = 145,514.05/x
  3. Step 3: Cross multiply
    445,031.93x = 667,588.94 × 145,514.05
  4. Step 4: Simplify right side
    445,031.93x = 97,143,566,329.09
  5. Step 5: Solve for x
    x = 97,143,566,329.09/445,031.93
  6. Step 6: Final answer
    x = 218,284.49

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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.