Home / 347,822.60-521,906.70-137,467.40

Finding the Fourth Proportional to 347,822.60, 521,906.70 and 137,467.40

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Solution

The fourth proportional to 347,822.60, 521,906.70 and 137,467.40 is: 206,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,822.60 : 521,906.70 = 137,467.40 : x
  2. Step 2: Convert to fraction form
    347,822.60/521,906.70 = 137,467.40/x
  3. Step 3: Cross multiply
    347,822.60x = 521,906.70 × 137,467.40
  4. Step 4: Simplify right side
    347,822.60x = 71,745,157,091.58
  5. Step 5: Solve for x
    x = 71,745,157,091.58/347,822.60
  6. Step 6: Final answer
    x = 206,269.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.