Home / 326,742.78-450,852.15-204,220.71

Finding the Fourth Proportional to 326,742.78, 450,852.15 and 204,220.71

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Solution

The fourth proportional to 326,742.78, 450,852.15 and 204,220.71 is: 281,791.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,742.78 : 450,852.15 = 204,220.71 : x
  2. Step 2: Convert to fraction form
    326,742.78/450,852.15 = 204,220.71/x
  3. Step 3: Cross multiply
    326,742.78x = 450,852.15 × 204,220.71
  4. Step 4: Simplify right side
    326,742.78x = 92,073,346,178.03
  5. Step 5: Solve for x
    x = 92,073,346,178.03/326,742.78
  6. Step 6: Final answer
    x = 281,791.52

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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.