Home / 515,770.99-773,666.03-178,822.62

Finding the Fourth Proportional to 515,770.99, 773,666.03 and 178,822.62

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Solution

The fourth proportional to 515,770.99, 773,666.03 and 178,822.62 is: 268,237.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,770.99 : 773,666.03 = 178,822.62 : x
  2. Step 2: Convert to fraction form
    515,770.99/773,666.03 = 178,822.62/x
  3. Step 3: Cross multiply
    515,770.99x = 773,666.03 × 178,822.62
  4. Step 4: Simplify right side
    515,770.99x = 138,348,986,936.66
  5. Step 5: Solve for x
    x = 138,348,986,936.66/515,770.99
  6. Step 6: Final answer
    x = 268,237.24

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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.