Home / 271,569.10-407,353.65-171,185.80

Finding the Fourth Proportional to 271,569.10, 407,353.65 and 171,185.80

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Solution

The fourth proportional to 271,569.10, 407,353.65 and 171,185.80 is: 256,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,569.10 : 407,353.65 = 171,185.80 : x
  2. Step 2: Convert to fraction form
    271,569.10/407,353.65 = 171,185.80/x
  3. Step 3: Cross multiply
    271,569.10x = 407,353.65 × 171,185.80
  4. Step 4: Simplify right side
    271,569.10x = 69,733,160,458.17
  5. Step 5: Solve for x
    x = 69,733,160,458.17/271,569.10
  6. Step 6: Final answer
    x = 256,778.70

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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.