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Finding the Fourth Proportional to 277,751.58, 383,320.78 and 156,915.04

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Solution

The fourth proportional to 277,751.58, 383,320.78 and 156,915.04 is: 216,556.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,751.58 : 383,320.78 = 156,915.04 : x
  2. Step 2: Convert to fraction form
    277,751.58/383,320.78 = 156,915.04/x
  3. Step 3: Cross multiply
    277,751.58x = 383,320.78 × 156,915.04
  4. Step 4: Simplify right side
    277,751.58x = 60,148,794,175.94
  5. Step 5: Solve for x
    x = 60,148,794,175.94/277,751.58
  6. Step 6: Final answer
    x = 216,556.08

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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.