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Finding the Fourth Proportional to 277,520.46, 382,934.43 and 162,790.98

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Solution

The fourth proportional to 277,520.46, 382,934.43 and 162,790.98 is: 224,625.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,520.46 : 382,934.43 = 162,790.98 : x
  2. Step 2: Convert to fraction form
    277,520.46/382,934.43 = 162,790.98/x
  3. Step 3: Cross multiply
    277,520.46x = 382,934.43 × 162,790.98
  4. Step 4: Simplify right side
    277,520.46x = 62,338,271,135.44
  5. Step 5: Solve for x
    x = 62,338,271,135.44/277,520.46
  6. Step 6: Final answer
    x = 224,625.86

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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.