Home / 712,173.89-1,068,262.76-179,694.88

Finding the Fourth Proportional to 712,173.89, 1,068,262.76 and 179,694.88

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Solution

The fourth proportional to 712,173.89, 1,068,262.76 and 179,694.88 is: 269,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,173.89 : 1,068,262.76 = 179,694.88 : x
  2. Step 2: Convert to fraction form
    712,173.89/1,068,262.76 = 179,694.88/x
  3. Step 3: Cross multiply
    712,173.89x = 1,068,262.76 × 179,694.88
  4. Step 4: Simplify right side
    712,173.89x = 191,961,346,245.25
  5. Step 5: Solve for x
    x = 191,961,346,245.25/712,173.89
  6. Step 6: Final answer
    x = 269,542.80

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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.