Home / 267,631.36-401,395.20-254,310.40

Finding the Fourth Proportional to 267,631.36, 401,395.20 and 254,310.40

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Solution

The fourth proportional to 267,631.36, 401,395.20 and 254,310.40 is: 381,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,631.36 : 401,395.20 = 254,310.40 : x
  2. Step 2: Convert to fraction form
    267,631.36/401,395.20 = 254,310.40/x
  3. Step 3: Cross multiply
    267,631.36x = 401,395.20 × 254,310.40
  4. Step 4: Simplify right side
    267,631.36x = 102,078,973,870.08
  5. Step 5: Solve for x
    x = 102,078,973,870.08/267,631.36
  6. Step 6: Final answer
    x = 381,416.34

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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.