Home / 267,748.11-401,622.21-90,240.30

Finding the Fourth Proportional to 267,748.11, 401,622.21 and 90,240.30

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Solution

The fourth proportional to 267,748.11, 401,622.21 and 90,240.30 is: 135,360.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,748.11 : 401,622.21 = 90,240.30 : x
  2. Step 2: Convert to fraction form
    267,748.11/401,622.21 = 90,240.30/x
  3. Step 3: Cross multiply
    267,748.11x = 401,622.21 × 90,240.30
  4. Step 4: Simplify right side
    267,748.11x = 36,242,508,717.06
  5. Step 5: Solve for x
    x = 36,242,508,717.06/267,748.11
  6. Step 6: Final answer
    x = 135,360.47

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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.