Home / 338,729.25-507,932.98-196,618.38

Finding the Fourth Proportional to 338,729.25, 507,932.98 and 196,618.38

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Solution

The fourth proportional to 338,729.25, 507,932.98 and 196,618.38 is: 294,834.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,729.25 : 507,932.98 = 196,618.38 : x
  2. Step 2: Convert to fraction form
    338,729.25/507,932.98 = 196,618.38/x
  3. Step 3: Cross multiply
    338,729.25x = 507,932.98 × 196,618.38
  4. Step 4: Simplify right side
    338,729.25x = 99,868,959,676.17
  5. Step 5: Solve for x
    x = 99,868,959,676.17/338,729.25
  6. Step 6: Final answer
    x = 294,834.18

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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.