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Finding the Fourth Proportional to 267,867, 403,404.54 and 243,952.20

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Solution

The fourth proportional to 267,867, 403,404.54 and 243,952.20 is: 367,389.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,867 : 403,404.54 = 243,952.20 : x
  2. Step 2: Convert to fraction form
    267,867/403,404.54 = 243,952.20/x
  3. Step 3: Cross multiply
    267,867x = 403,404.54 × 243,952.20
  4. Step 4: Simplify right side
    267,867x = 98,411,425,022.99
  5. Step 5: Solve for x
    x = 98,411,425,022.99/267,867
  6. Step 6: Final answer
    x = 367,389.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.