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Finding the Fourth Proportional to 200,648.05, 276,714.96 and 132,734.41

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Solution

The fourth proportional to 200,648.05, 276,714.96 and 132,734.41 is: 183,054.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,648.05 : 276,714.96 = 132,734.41 : x
  2. Step 2: Convert to fraction form
    200,648.05/276,714.96 = 132,734.41/x
  3. Step 3: Cross multiply
    200,648.05x = 276,714.96 × 132,734.41
  4. Step 4: Simplify right side
    200,648.05x = 36,729,596,953.77
  5. Step 5: Solve for x
    x = 36,729,596,953.77/200,648.05
  6. Step 6: Final answer
    x = 183,054.84

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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.