Home / 267,774.04-401,380.80-90,219.68

Finding the Fourth Proportional to 267,774.04, 401,380.80 and 90,219.68

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Solution

The fourth proportional to 267,774.04, 401,380.80 and 90,219.68 is: 135,235.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,774.04 : 401,380.80 = 90,219.68 : x
  2. Step 2: Convert to fraction form
    267,774.04/401,380.80 = 90,219.68/x
  3. Step 3: Cross multiply
    267,774.04x = 401,380.80 × 90,219.68
  4. Step 4: Simplify right side
    267,774.04x = 36,212,447,334.14
  5. Step 5: Solve for x
    x = 36,212,447,334.14/267,774.04
  6. Step 6: Final answer
    x = 135,235.09

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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.