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Finding the Fourth Proportional to 277,377.55, 416,253.17 and 108,877.91

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Solution

The fourth proportional to 277,377.55, 416,253.17 and 108,877.91 is: 163,390.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,377.55 : 416,253.17 = 108,877.91 : x
  2. Step 2: Convert to fraction form
    277,377.55/416,253.17 = 108,877.91/x
  3. Step 3: Cross multiply
    277,377.55x = 416,253.17 × 108,877.91
  4. Step 4: Simplify right side
    277,377.55x = 45,320,775,676.72
  5. Step 5: Solve for x
    x = 45,320,775,676.72/277,377.55
  6. Step 6: Final answer
    x = 163,390.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.