Home / 277,275.08-415,912.62-66,913.04

Finding the Fourth Proportional to 277,275.08, 415,912.62 and 66,913.04

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Solution

The fourth proportional to 277,275.08, 415,912.62 and 66,913.04 is: 100,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,275.08 : 415,912.62 = 66,913.04 : x
  2. Step 2: Convert to fraction form
    277,275.08/415,912.62 = 66,913.04/x
  3. Step 3: Cross multiply
    277,275.08x = 415,912.62 × 66,913.04
  4. Step 4: Simplify right side
    277,275.08x = 27,829,977,778.56
  5. Step 5: Solve for x
    x = 27,829,977,778.56/277,275.08
  6. Step 6: Final answer
    x = 100,369.56

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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.