Home / 378,330.03-567,578.07-112,111.38

Finding the Fourth Proportional to 378,330.03, 567,578.07 and 112,111.38

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Solution

The fourth proportional to 378,330.03, 567,578.07 and 112,111.38 is: 168,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,330.03 : 567,578.07 = 112,111.38 : x
  2. Step 2: Convert to fraction form
    378,330.03/567,578.07 = 112,111.38/x
  3. Step 3: Cross multiply
    378,330.03x = 567,578.07 × 112,111.38
  4. Step 4: Simplify right side
    378,330.03x = 63,631,960,685.44
  5. Step 5: Solve for x
    x = 63,631,960,685.44/378,330.03
  6. Step 6: Final answer
    x = 168,191.67

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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.