Home / 396,135.61-546,665.55-214,846.81

Finding the Fourth Proportional to 396,135.61, 546,665.55 and 214,846.81

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Solution

The fourth proportional to 396,135.61, 546,665.55 and 214,846.81 is: 296,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,135.61 : 546,665.55 = 214,846.81 : x
  2. Step 2: Convert to fraction form
    396,135.61/546,665.55 = 214,846.81/x
  3. Step 3: Cross multiply
    396,135.61x = 546,665.55 × 214,846.81
  4. Step 4: Simplify right side
    396,135.61x = 117,449,349,554.40
  5. Step 5: Solve for x
    x = 117,449,349,554.40/396,135.61
  6. Step 6: Final answer
    x = 296,487.73

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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.