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Finding the Fourth Proportional to 271,396.84, 407,132.22 and 93,856.20

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Solution

The fourth proportional to 271,396.84, 407,132.22 and 93,856.20 is: 140,797.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,396.84 : 407,132.22 = 93,856.20 : x
  2. Step 2: Convert to fraction form
    271,396.84/407,132.22 = 93,856.20/x
  3. Step 3: Cross multiply
    271,396.84x = 407,132.22 × 93,856.20
  4. Step 4: Simplify right side
    271,396.84x = 38,211,883,066.76
  5. Step 5: Solve for x
    x = 38,211,883,066.76/271,396.84
  6. Step 6: Final answer
    x = 140,797.08

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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.