Home / 396,946.64-547,792.58-215,662.16

Finding the Fourth Proportional to 396,946.64, 547,792.58 and 215,662.16

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Solution

The fourth proportional to 396,946.64, 547,792.58 and 215,662.16 is: 297,617.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,946.64 : 547,792.58 = 215,662.16 : x
  2. Step 2: Convert to fraction form
    396,946.64/547,792.58 = 215,662.16/x
  3. Step 3: Cross multiply
    396,946.64x = 547,792.58 × 215,662.16
  4. Step 4: Simplify right side
    396,946.64x = 118,138,131,034.77
  5. Step 5: Solve for x
    x = 118,138,131,034.77/396,946.64
  6. Step 6: Final answer
    x = 297,617.16

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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.