Home / 401,344.32-602,078.79-135,084.06

Finding the Fourth Proportional to 401,344.32, 602,078.79 and 135,084.06

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Solution

The fourth proportional to 401,344.32, 602,078.79 and 135,084.06 is: 202,647.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,344.32 : 602,078.79 = 135,084.06 : x
  2. Step 2: Convert to fraction form
    401,344.32/602,078.79 = 135,084.06/x
  3. Step 3: Cross multiply
    401,344.32x = 602,078.79 × 135,084.06
  4. Step 4: Simplify right side
    401,344.32x = 81,331,247,393.09
  5. Step 5: Solve for x
    x = 81,331,247,393.09/401,344.32
  6. Step 6: Final answer
    x = 202,647.06

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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.