Home / 396,116.46-546,641.01-214,828.34

Finding the Fourth Proportional to 396,116.46, 546,641.01 and 214,828.34

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Solution

The fourth proportional to 396,116.46, 546,641.01 and 214,828.34 is: 296,463.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,116.46 : 546,641.01 = 214,828.34 : x
  2. Step 2: Convert to fraction form
    396,116.46/546,641.01 = 214,828.34/x
  3. Step 3: Cross multiply
    396,116.46x = 546,641.01 × 214,828.34
  4. Step 4: Simplify right side
    396,116.46x = 117,433,978,021.02
  5. Step 5: Solve for x
    x = 117,433,978,021.02/396,116.46
  6. Step 6: Final answer
    x = 296,463.26

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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.