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Finding the Fourth Proportional to 267,404.20, 401,106.30 and 259,628.20

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Solution

The fourth proportional to 267,404.20, 401,106.30 and 259,628.20 is: 389,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,404.20 : 401,106.30 = 259,628.20 : x
  2. Step 2: Convert to fraction form
    267,404.20/401,106.30 = 259,628.20/x
  3. Step 3: Cross multiply
    267,404.20x = 401,106.30 × 259,628.20
  4. Step 4: Simplify right side
    267,404.20x = 104,138,506,677.66
  5. Step 5: Solve for x
    x = 104,138,506,677.66/267,404.20
  6. Step 6: Final answer
    x = 389,442.30

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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.