Home / 396,031.07-546,617.40-234,979.58

Finding the Fourth Proportional to 396,031.07, 546,617.40 and 234,979.58

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Solution

The fourth proportional to 396,031.07, 546,617.40 and 234,979.58 is: 324,327.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,031.07 : 546,617.40 = 234,979.58 : x
  2. Step 2: Convert to fraction form
    396,031.07/546,617.40 = 234,979.58/x
  3. Step 3: Cross multiply
    396,031.07x = 546,617.40 × 234,979.58
  4. Step 4: Simplify right side
    396,031.07x = 128,443,927,072.69
  5. Step 5: Solve for x
    x = 128,443,927,072.69/396,031.07
  6. Step 6: Final answer
    x = 324,327.90

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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.