Home / 463,745.76-695,678.04-143,918.88

Finding the Fourth Proportional to 463,745.76, 695,678.04 and 143,918.88

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Solution

The fourth proportional to 463,745.76, 695,678.04 and 143,918.88 is: 215,896.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,745.76 : 695,678.04 = 143,918.88 : x
  2. Step 2: Convert to fraction form
    463,745.76/695,678.04 = 143,918.88/x
  3. Step 3: Cross multiply
    463,745.76x = 695,678.04 × 143,918.88
  4. Step 4: Simplify right side
    463,745.76x = 100,121,204,357.40
  5. Step 5: Solve for x
    x = 100,121,204,357.40/463,745.76
  6. Step 6: Final answer
    x = 215,896.75

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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.