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Finding the Fourth Proportional to 277,377.95, 382,780.28 and 150,052.43

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Solution

The fourth proportional to 277,377.95, 382,780.28 and 150,052.43 is: 207,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,377.95 : 382,780.28 = 150,052.43 : x
  2. Step 2: Convert to fraction form
    277,377.95/382,780.28 = 150,052.43/x
  3. Step 3: Cross multiply
    277,377.95x = 382,780.28 × 150,052.43
  4. Step 4: Simplify right side
    277,377.95x = 57,437,110,419.82
  5. Step 5: Solve for x
    x = 57,437,110,419.82/277,377.95
  6. Step 6: Final answer
    x = 207,071.65

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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.