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Finding the Fourth Proportional to 203,667.87, 305,502.06 and 70,548.12

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Solution

The fourth proportional to 203,667.87, 305,502.06 and 70,548.12 is: 105,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,667.87 : 305,502.06 = 70,548.12 : x
  2. Step 2: Convert to fraction form
    203,667.87/305,502.06 = 70,548.12/x
  3. Step 3: Cross multiply
    203,667.87x = 305,502.06 × 70,548.12
  4. Step 4: Simplify right side
    203,667.87x = 21,552,594,726.17
  5. Step 5: Solve for x
    x = 21,552,594,726.17/203,667.87
  6. Step 6: Final answer
    x = 105,822.26

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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.