Home / 347,716.20-521,444.70-137,310.60

Finding the Fourth Proportional to 347,716.20, 521,444.70 and 137,310.60

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Solution

The fourth proportional to 347,716.20, 521,444.70 and 137,310.60 is: 205,914.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,716.20 : 521,444.70 = 137,310.60 : x
  2. Step 2: Convert to fraction form
    347,716.20/521,444.70 = 137,310.60/x
  3. Step 3: Cross multiply
    347,716.20x = 521,444.70 × 137,310.60
  4. Step 4: Simplify right side
    347,716.20x = 71,599,884,623.82
  5. Step 5: Solve for x
    x = 71,599,884,623.82/347,716.20
  6. Step 6: Final answer
    x = 205,914.72

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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.