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Finding the Fourth Proportional to 234,015, 322,941.54 and 126,585.54

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Solution

The fourth proportional to 234,015, 322,941.54 and 126,585.54 is: 174,688.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,015 : 322,941.54 = 126,585.54 : x
  2. Step 2: Convert to fraction form
    234,015/322,941.54 = 126,585.54/x
  3. Step 3: Cross multiply
    234,015x = 322,941.54 × 126,585.54
  4. Step 4: Simplify right side
    234,015x = 40,879,729,229.33
  5. Step 5: Solve for x
    x = 40,879,729,229.33/234,015
  6. Step 6: Final answer
    x = 174,688.50

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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.