Home / 396,147.36-546,682.50-214,858.35

Finding the Fourth Proportional to 396,147.36, 546,682.50 and 214,858.35

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Solution

The fourth proportional to 396,147.36, 546,682.50 and 214,858.35 is: 296,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,147.36 : 546,682.50 = 214,858.35 : x
  2. Step 2: Convert to fraction form
    396,147.36/546,682.50 = 214,858.35/x
  3. Step 3: Cross multiply
    396,147.36x = 546,682.50 × 214,858.35
  4. Step 4: Simplify right side
    396,147.36x = 117,459,299,923.88
  5. Step 5: Solve for x
    x = 117,459,299,923.88/396,147.36
  6. Step 6: Final answer
    x = 296,504.06

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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.