Home / 396,370.12-546,954.50-235,197.32

Finding the Fourth Proportional to 396,370.12, 546,954.50 and 235,197.32

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Solution

The fourth proportional to 396,370.12, 546,954.50 and 235,197.32 is: 324,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,370.12 : 546,954.50 = 235,197.32 : x
  2. Step 2: Convert to fraction form
    396,370.12/546,954.50 = 235,197.32/x
  3. Step 3: Cross multiply
    396,370.12x = 546,954.50 × 235,197.32
  4. Step 4: Simplify right side
    396,370.12x = 128,642,232,561.94
  5. Step 5: Solve for x
    x = 128,642,232,561.94/396,370.12
  6. Step 6: Final answer
    x = 324,550.78

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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.