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Finding the Fourth Proportional to 627,628, 941,601.84 and 184,396

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Solution

The fourth proportional to 627,628, 941,601.84 and 184,396 is: 276,640.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,628 : 941,601.84 = 184,396 : x
  2. Step 2: Convert to fraction form
    627,628/941,601.84 = 184,396/x
  3. Step 3: Cross multiply
    627,628x = 941,601.84 × 184,396
  4. Step 4: Simplify right side
    627,628x = 173,627,612,888.64
  5. Step 5: Solve for x
    x = 173,627,612,888.64/627,628
  6. Step 6: Final answer
    x = 276,640.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.