Home / 404,320.08-606,415.83-134,425.79

Finding the Fourth Proportional to 404,320.08, 606,415.83 and 134,425.79

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Solution

The fourth proportional to 404,320.08, 606,415.83 and 134,425.79 is: 201,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,320.08 : 606,415.83 = 134,425.79 : x
  2. Step 2: Convert to fraction form
    404,320.08/606,415.83 = 134,425.79/x
  3. Step 3: Cross multiply
    404,320.08x = 606,415.83 × 134,425.79
  4. Step 4: Simplify right side
    404,320.08x = 81,517,923,984.18
  5. Step 5: Solve for x
    x = 81,517,923,984.18/404,320.08
  6. Step 6: Final answer
    x = 201,617.30

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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.