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Finding the Fourth Proportional to 234,999.44, 324,304.72 and 139,506.48

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Solution

The fourth proportional to 234,999.44, 324,304.72 and 139,506.48 is: 192,522.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,999.44 : 324,304.72 = 139,506.48 : x
  2. Step 2: Convert to fraction form
    234,999.44/324,304.72 = 139,506.48/x
  3. Step 3: Cross multiply
    234,999.44x = 324,304.72 × 139,506.48
  4. Step 4: Simplify right side
    234,999.44x = 45,242,609,934.59
  5. Step 5: Solve for x
    x = 45,242,609,934.59/234,999.44
  6. Step 6: Final answer
    x = 192,522.20

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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.