Home / 277,218.72-382,559.76-216,851.04

Finding the Fourth Proportional to 277,218.72, 382,559.76 and 216,851.04

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Solution

The fourth proportional to 277,218.72, 382,559.76 and 216,851.04 is: 299,252.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,218.72 : 382,559.76 = 216,851.04 : x
  2. Step 2: Convert to fraction form
    277,218.72/382,559.76 = 216,851.04/x
  3. Step 3: Cross multiply
    277,218.72x = 382,559.76 × 216,851.04
  4. Step 4: Simplify right side
    277,218.72x = 82,958,481,818.15
  5. Step 5: Solve for x
    x = 82,958,481,818.15/277,218.72
  6. Step 6: Final answer
    x = 299,252.81

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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.