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Finding the Fourth Proportional to 204,187.92, 305,110.44 and 155,889.24

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Solution

The fourth proportional to 204,187.92, 305,110.44 and 155,889.24 is: 232,939.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,187.92 : 305,110.44 = 155,889.24 : x
  2. Step 2: Convert to fraction form
    204,187.92/305,110.44 = 155,889.24/x
  3. Step 3: Cross multiply
    204,187.92x = 305,110.44 × 155,889.24
  4. Step 4: Simplify right side
    204,187.92x = 47,563,434,607.67
  5. Step 5: Solve for x
    x = 47,563,434,607.67/204,187.92
  6. Step 6: Final answer
    x = 232,939.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.