Home / 401,446.82-602,171.34-135,394.22

Finding the Fourth Proportional to 401,446.82, 602,171.34 and 135,394.22

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Solution

The fourth proportional to 401,446.82, 602,171.34 and 135,394.22 is: 203,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,446.82 : 602,171.34 = 135,394.22 : x
  2. Step 2: Convert to fraction form
    401,446.82/602,171.34 = 135,394.22/x
  3. Step 3: Cross multiply
    401,446.82x = 602,171.34 × 135,394.22
  4. Step 4: Simplify right side
    401,446.82x = 81,530,518,885.65
  5. Step 5: Solve for x
    x = 81,530,518,885.65/401,446.82
  6. Step 6: Final answer
    x = 203,091.70

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1.5x scale

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.