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Finding the Fourth Proportional to 221,094.46, 305,073 and 124,285.42

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Solution

The fourth proportional to 221,094.46, 305,073 and 124,285.42 is: 171,492.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,094.46 : 305,073 = 124,285.42 : x
  2. Step 2: Convert to fraction form
    221,094.46/305,073 = 124,285.42/x
  3. Step 3: Cross multiply
    221,094.46x = 305,073 × 124,285.42
  4. Step 4: Simplify right side
    221,094.46x = 37,916,125,935.66
  5. Step 5: Solve for x
    x = 37,916,125,935.66/221,094.46
  6. Step 6: Final answer
    x = 171,492.88

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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.