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Finding the Fourth Proportional to 271,904.55, 407,856.83 and 201,920.55

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Solution

The fourth proportional to 271,904.55, 407,856.83 and 201,920.55 is: 302,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,904.55 : 407,856.83 = 201,920.55 : x
  2. Step 2: Convert to fraction form
    271,904.55/407,856.83 = 201,920.55/x
  3. Step 3: Cross multiply
    271,904.55x = 407,856.83 × 201,920.55
  4. Step 4: Simplify right side
    271,904.55x = 82,354,674,425.25
  5. Step 5: Solve for x
    x = 82,354,674,425.25/271,904.55
  6. Step 6: Final answer
    x = 302,880.83

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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.