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Finding the Fourth Proportional to 200,487.53, 276,672.78 and 109,846.93

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Solution

The fourth proportional to 200,487.53, 276,672.78 and 109,846.93 is: 151,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,487.53 : 276,672.78 = 109,846.93 : x
  2. Step 2: Convert to fraction form
    200,487.53/276,672.78 = 109,846.93/x
  3. Step 3: Cross multiply
    200,487.53x = 276,672.78 × 109,846.93
  4. Step 4: Simplify right side
    200,487.53x = 30,391,655,497.57
  5. Step 5: Solve for x
    x = 30,391,655,497.57/200,487.53
  6. Step 6: Final answer
    x = 151,588.76

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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.