Home / 396,206.44-546,763.10-214,918.45

Finding the Fourth Proportional to 396,206.44, 546,763.10 and 214,918.45

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Solution

The fourth proportional to 396,206.44, 546,763.10 and 214,918.45 is: 296,586.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,206.44 : 546,763.10 = 214,918.45 : x
  2. Step 2: Convert to fraction form
    396,206.44/546,763.10 = 214,918.45/x
  3. Step 3: Cross multiply
    396,206.44x = 546,763.10 × 214,918.45
  4. Step 4: Simplify right side
    396,206.44x = 117,509,475,527.70
  5. Step 5: Solve for x
    x = 117,509,475,527.70/396,206.44
  6. Step 6: Final answer
    x = 296,586.49

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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.