Home / 271,919.43-407,459.97-145,576.44

Finding the Fourth Proportional to 271,919.43, 407,459.97 and 145,576.44

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Solution

The fourth proportional to 271,919.43, 407,459.97 and 145,576.44 is: 218,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,919.43 : 407,459.97 = 145,576.44 : x
  2. Step 2: Convert to fraction form
    271,919.43/407,459.97 = 145,576.44/x
  3. Step 3: Cross multiply
    271,919.43x = 407,459.97 × 145,576.44
  4. Step 4: Simplify right side
    271,919.43x = 59,316,571,875.11
  5. Step 5: Solve for x
    x = 59,316,571,875.11/271,919.43
  6. Step 6: Final answer
    x = 218,140.25

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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.