Home / 338,418.50-507,659.10-110,715.38

Finding the Fourth Proportional to 338,418.50, 507,659.10 and 110,715.38

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Solution

The fourth proportional to 338,418.50, 507,659.10 and 110,715.38 is: 166,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,418.50 : 507,659.10 = 110,715.38 : x
  2. Step 2: Convert to fraction form
    338,418.50/507,659.10 = 110,715.38/x
  3. Step 3: Cross multiply
    338,418.50x = 507,659.10 × 110,715.38
  4. Step 4: Simplify right side
    338,418.50x = 56,205,670,166.96
  5. Step 5: Solve for x
    x = 56,205,670,166.96/338,418.50
  6. Step 6: Final answer
    x = 166,083.33

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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.