Home / 401,326.72-602,052.12-135,066.36

Finding the Fourth Proportional to 401,326.72, 602,052.12 and 135,066.36

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Solution

The fourth proportional to 401,326.72, 602,052.12 and 135,066.36 is: 202,620.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,326.72 : 602,052.12 = 135,066.36 : x
  2. Step 2: Convert to fraction form
    401,326.72/602,052.12 = 135,066.36/x
  3. Step 3: Cross multiply
    401,326.72x = 602,052.12 × 135,066.36
  4. Step 4: Simplify right side
    401,326.72x = 81,316,988,378.68
  5. Step 5: Solve for x
    x = 81,316,988,378.68/401,326.72
  6. Step 6: Final answer
    x = 202,620.42

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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.