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Finding the Fourth Proportional to 277,805.56, 383,369.32 and 150,480.84

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Solution

The fourth proportional to 277,805.56, 383,369.32 and 150,480.84 is: 207,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,805.56 : 383,369.32 = 150,480.84 : x
  2. Step 2: Convert to fraction form
    277,805.56/383,369.32 = 150,480.84/x
  3. Step 3: Cross multiply
    277,805.56x = 383,369.32 × 150,480.84
  4. Step 4: Simplify right side
    277,805.56x = 57,689,737,303.83
  5. Step 5: Solve for x
    x = 57,689,737,303.83/277,805.56
  6. Step 6: Final answer
    x = 207,662.28

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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.