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Finding the Fourth Proportional to 267,551.40, 401,327.10 and 141,142.80

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Solution

The fourth proportional to 267,551.40, 401,327.10 and 141,142.80 is: 211,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,551.40 : 401,327.10 = 141,142.80 : x
  2. Step 2: Convert to fraction form
    267,551.40/401,327.10 = 141,142.80/x
  3. Step 3: Cross multiply
    267,551.40x = 401,327.10 × 141,142.80
  4. Step 4: Simplify right side
    267,551.40x = 56,644,430,609.88
  5. Step 5: Solve for x
    x = 56,644,430,609.88/267,551.40
  6. Step 6: Final answer
    x = 211,714.20

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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.