Home / 518,299.10-777,559.37-181,350.75

Finding the Fourth Proportional to 518,299.10, 777,559.37 and 181,350.75

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Solution

The fourth proportional to 518,299.10, 777,559.37 and 181,350.75 is: 272,064.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,299.10 : 777,559.37 = 181,350.75 : x
  2. Step 2: Convert to fraction form
    518,299.10/777,559.37 = 181,350.75/x
  3. Step 3: Cross multiply
    518,299.10x = 777,559.37 × 181,350.75
  4. Step 4: Simplify right side
    518,299.10x = 141,010,974,012.27
  5. Step 5: Solve for x
    x = 141,010,974,012.27/518,299.10
  6. Step 6: Final answer
    x = 272,064.87

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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.