Home / 271,688.31-407,002.32-177,909.75

Finding the Fourth Proportional to 271,688.31, 407,002.32 and 177,909.75

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Solution

The fourth proportional to 271,688.31, 407,002.32 and 177,909.75 is: 266,517.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,688.31 : 407,002.32 = 177,909.75 : x
  2. Step 2: Convert to fraction form
    271,688.31/407,002.32 = 177,909.75/x
  3. Step 3: Cross multiply
    271,688.31x = 407,002.32 × 177,909.75
  4. Step 4: Simplify right side
    271,688.31x = 72,409,681,000.62
  5. Step 5: Solve for x
    x = 72,409,681,000.62/271,688.31
  6. Step 6: Final answer
    x = 266,517.47

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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.