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Finding the Fourth Proportional to 252,093.94, 347,885.17 and 137,373.60

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Solution

The fourth proportional to 252,093.94, 347,885.17 and 137,373.60 is: 189,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,093.94 : 347,885.17 = 137,373.60 : x
  2. Step 2: Convert to fraction form
    252,093.94/347,885.17 = 137,373.60/x
  3. Step 3: Cross multiply
    252,093.94x = 347,885.17 × 137,373.60
  4. Step 4: Simplify right side
    252,093.94x = 47,790,238,189.51
  5. Step 5: Solve for x
    x = 47,790,238,189.51/252,093.94
  6. Step 6: Final answer
    x = 189,573.13

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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.