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Finding the Fourth Proportional to 277,695.39, 383,221.47 and 150,370.98

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Solution

The fourth proportional to 277,695.39, 383,221.47 and 150,370.98 is: 207,512.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,695.39 : 383,221.47 = 150,370.98 : x
  2. Step 2: Convert to fraction form
    277,695.39/383,221.47 = 150,370.98/x
  3. Step 3: Cross multiply
    277,695.39x = 383,221.47 × 150,370.98
  4. Step 4: Simplify right side
    277,695.39x = 57,625,388,000.94
  5. Step 5: Solve for x
    x = 57,625,388,000.94/277,695.39
  6. Step 6: Final answer
    x = 207,512.94

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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.