Home / 404,933.12-607,195.78-134,965.64

Finding the Fourth Proportional to 404,933.12, 607,195.78 and 134,965.64

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Solution

The fourth proportional to 404,933.12, 607,195.78 and 134,965.64 is: 202,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,933.12 : 607,195.78 = 134,965.64 : x
  2. Step 2: Convert to fraction form
    404,933.12/607,195.78 = 134,965.64/x
  3. Step 3: Cross multiply
    404,933.12x = 607,195.78 × 134,965.64
  4. Step 4: Simplify right side
    404,933.12x = 81,950,567,053.00
  5. Step 5: Solve for x
    x = 81,950,567,053.00/404,933.12
  6. Step 6: Final answer
    x = 202,380.50

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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.