Home / 326,064.21-449,973.20-196,984.74

Finding the Fourth Proportional to 326,064.21, 449,973.20 and 196,984.74

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Solution

The fourth proportional to 326,064.21, 449,973.20 and 196,984.74 is: 271,841.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,064.21 : 449,973.20 = 196,984.74 : x
  2. Step 2: Convert to fraction form
    326,064.21/449,973.20 = 196,984.74/x
  3. Step 3: Cross multiply
    326,064.21x = 449,973.20 × 196,984.74
  4. Step 4: Simplify right side
    326,064.21x = 88,637,853,808.97
  5. Step 5: Solve for x
    x = 88,637,853,808.97/326,064.21
  6. Step 6: Final answer
    x = 271,841.71

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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.