Home / 277,729.20-416,507.40-100,213.08

Finding the Fourth Proportional to 277,729.20, 416,507.40 and 100,213.08

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Solution

The fourth proportional to 277,729.20, 416,507.40 and 100,213.08 is: 150,288.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,729.20 : 416,507.40 = 100,213.08 : x
  2. Step 2: Convert to fraction form
    277,729.20/416,507.40 = 100,213.08/x
  3. Step 3: Cross multiply
    277,729.20x = 416,507.40 × 100,213.08
  4. Step 4: Simplify right side
    277,729.20x = 41,739,489,396.79
  5. Step 5: Solve for x
    x = 41,739,489,396.79/277,729.20
  6. Step 6: Final answer
    x = 150,288.44

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1.5x scale

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.