Home / 396,134.61-546,664.17-214,845.81

Finding the Fourth Proportional to 396,134.61, 546,664.17 and 214,845.81

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Solution

The fourth proportional to 396,134.61, 546,664.17 and 214,845.81 is: 296,486.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,134.61 : 546,664.17 = 214,845.81 : x
  2. Step 2: Convert to fraction form
    396,134.61/546,664.17 = 214,845.81/x
  3. Step 3: Cross multiply
    396,134.61x = 546,664.17 × 214,845.81
  4. Step 4: Simplify right side
    396,134.61x = 117,448,506,401.63
  5. Step 5: Solve for x
    x = 117,448,506,401.63/396,134.61
  6. Step 6: Final answer
    x = 296,486.35

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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.