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Finding the Fourth Proportional to 267,633.95, 401,430.07 and 99,074.98

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Solution

The fourth proportional to 267,633.95, 401,430.07 and 99,074.98 is: 148,604.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,633.95 : 401,430.07 = 99,074.98 : x
  2. Step 2: Convert to fraction form
    267,633.95/401,430.07 = 99,074.98/x
  3. Step 3: Cross multiply
    267,633.95x = 401,430.07 × 99,074.98
  4. Step 4: Simplify right side
    267,633.95x = 39,771,673,654.12
  5. Step 5: Solve for x
    x = 39,771,673,654.12/267,633.95
  6. Step 6: Final answer
    x = 148,604.74

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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.