Home / 517,987.02-777,100.72-162,991.81

Finding the Fourth Proportional to 517,987.02, 777,100.72 and 162,991.81

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Solution

The fourth proportional to 517,987.02, 777,100.72 and 162,991.81 is: 244,525.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,987.02 : 777,100.72 = 162,991.81 : x
  2. Step 2: Convert to fraction form
    517,987.02/777,100.72 = 162,991.81/x
  3. Step 3: Cross multiply
    517,987.02x = 777,100.72 × 162,991.81
  4. Step 4: Simplify right side
    517,987.02x = 126,661,052,905.10
  5. Step 5: Solve for x
    x = 126,661,052,905.10/517,987.02
  6. Step 6: Final answer
    x = 244,525.53

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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.