Home / 401,328.20-602,054.57-135,067.94

Finding the Fourth Proportional to 401,328.20, 602,054.57 and 135,067.94

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Solution

The fourth proportional to 401,328.20, 602,054.57 and 135,067.94 is: 202,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,328.20 : 602,054.57 = 135,067.94 : x
  2. Step 2: Convert to fraction form
    401,328.20/602,054.57 = 135,067.94/x
  3. Step 3: Cross multiply
    401,328.20x = 602,054.57 × 135,067.94
  4. Step 4: Simplify right side
    401,328.20x = 81,318,270,122.59
  5. Step 5: Solve for x
    x = 81,318,270,122.59/401,328.20
  6. Step 6: Final answer
    x = 202,622.86

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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.