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Finding the Fourth Proportional to 277,987.08, 383,622.78 and 150,662.64

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Solution

The fourth proportional to 277,987.08, 383,622.78 and 150,662.64 is: 207,914.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,987.08 : 383,622.78 = 150,662.64 : x
  2. Step 2: Convert to fraction form
    277,987.08/383,622.78 = 150,662.64/x
  3. Step 3: Cross multiply
    277,987.08x = 383,622.78 × 150,662.64
  4. Step 4: Simplify right side
    277,987.08x = 57,797,620,798.94
  5. Step 5: Solve for x
    x = 57,797,620,798.94/277,987.08
  6. Step 6: Final answer
    x = 207,914.77

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1.5x scale

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.