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Finding the Fourth Proportional to 235,448.84, 324,912.26 and 133,483.61

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Solution

The fourth proportional to 235,448.84, 324,912.26 and 133,483.61 is: 184,203.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,448.84 : 324,912.26 = 133,483.61 : x
  2. Step 2: Convert to fraction form
    235,448.84/324,912.26 = 133,483.61/x
  3. Step 3: Cross multiply
    235,448.84x = 324,912.26 × 133,483.61
  4. Step 4: Simplify right side
    235,448.84x = 43,370,462,544.05
  5. Step 5: Solve for x
    x = 43,370,462,544.05/235,448.84
  6. Step 6: Final answer
    x = 184,203.34

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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.