Home / 277,758.21-416,551.35-100,242.75

Finding the Fourth Proportional to 277,758.21, 416,551.35 and 100,242.75

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Solution

The fourth proportional to 277,758.21, 416,551.35 and 100,242.75 is: 150,333.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,758.21 : 416,551.35 = 100,242.75 : x
  2. Step 2: Convert to fraction form
    277,758.21/416,551.35 = 100,242.75/x
  3. Step 3: Cross multiply
    277,758.21x = 416,551.35 × 100,242.75
  4. Step 4: Simplify right side
    277,758.21x = 41,756,252,840.21
  5. Step 5: Solve for x
    x = 41,756,252,840.21/277,758.21
  6. Step 6: Final answer
    x = 150,333.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.