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Finding the Fourth Proportional to 271,811.70, 407,717.55 and 94,300.20

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Solution

The fourth proportional to 271,811.70, 407,717.55 and 94,300.20 is: 141,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,811.70 : 407,717.55 = 94,300.20 : x
  2. Step 2: Convert to fraction form
    271,811.70/407,717.55 = 94,300.20/x
  3. Step 3: Cross multiply
    271,811.70x = 407,717.55 × 94,300.20
  4. Step 4: Simplify right side
    271,811.70x = 38,447,846,508.51
  5. Step 5: Solve for x
    x = 38,447,846,508.51/271,811.70
  6. Step 6: Final answer
    x = 141,450.30

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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.