Home / 401,446.84-602,171.32-135,394.24

Finding the Fourth Proportional to 401,446.84, 602,171.32 and 135,394.24

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Solution

The fourth proportional to 401,446.84, 602,171.32 and 135,394.24 is: 203,091.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,446.84 : 602,171.32 = 135,394.24 : x
  2. Step 2: Convert to fraction form
    401,446.84/602,171.32 = 135,394.24/x
  3. Step 3: Cross multiply
    401,446.84x = 602,171.32 × 135,394.24
  4. Step 4: Simplify right side
    401,446.84x = 81,530,528,221.20
  5. Step 5: Solve for x
    x = 81,530,528,221.20/401,446.84
  6. Step 6: Final answer
    x = 203,091.72

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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.