Home / 396,546.06-546,984-235,286.64

Finding the Fourth Proportional to 396,546.06, 546,984 and 235,286.64

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Solution

The fourth proportional to 396,546.06, 546,984 and 235,286.64 is: 324,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,546.06 : 546,984 = 235,286.64 : x
  2. Step 2: Convert to fraction form
    396,546.06/546,984 = 235,286.64/x
  3. Step 3: Cross multiply
    396,546.06x = 546,984 × 235,286.64
  4. Step 4: Simplify right side
    396,546.06x = 128,698,027,493.76
  5. Step 5: Solve for x
    x = 128,698,027,493.76/396,546.06
  6. Step 6: Final answer
    x = 324,547.49

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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.