Home / 277,404.21-382,854.20-205,988.13

Finding the Fourth Proportional to 277,404.21, 382,854.20 and 205,988.13

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Solution

The fourth proportional to 277,404.21, 382,854.20 and 205,988.13 is: 284,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,404.21 : 382,854.20 = 205,988.13 : x
  2. Step 2: Convert to fraction form
    277,404.21/382,854.20 = 205,988.13/x
  3. Step 3: Cross multiply
    277,404.21x = 382,854.20 × 205,988.13
  4. Step 4: Simplify right side
    277,404.21x = 78,863,419,690.71
  5. Step 5: Solve for x
    x = 78,863,419,690.71/277,404.21
  6. Step 6: Final answer
    x = 284,290.64

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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.