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Finding the Fourth Proportional to 213,551.82, 294,693.57 and 122,921.73

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Solution

The fourth proportional to 213,551.82, 294,693.57 and 122,921.73 is: 169,627.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,551.82 : 294,693.57 = 122,921.73 : x
  2. Step 2: Convert to fraction form
    213,551.82/294,693.57 = 122,921.73/x
  3. Step 3: Cross multiply
    213,551.82x = 294,693.57 × 122,921.73
  4. Step 4: Simplify right side
    213,551.82x = 36,224,243,444.28
  5. Step 5: Solve for x
    x = 36,224,243,444.28/213,551.82
  6. Step 6: Final answer
    x = 169,627.42

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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.