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Finding the Fourth Proportional to 267,998.85, 401,718.54 and 90,444.69

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Solution

The fourth proportional to 267,998.85, 401,718.54 and 90,444.69 is: 135,572.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,998.85 : 401,718.54 = 90,444.69 : x
  2. Step 2: Convert to fraction form
    267,998.85/401,718.54 = 90,444.69/x
  3. Step 3: Cross multiply
    267,998.85x = 401,718.54 × 90,444.69
  4. Step 4: Simplify right side
    267,998.85x = 36,333,308,817.55
  5. Step 5: Solve for x
    x = 36,333,308,817.55/267,998.85
  6. Step 6: Final answer
    x = 135,572.63

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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.