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Finding the Fourth Proportional to 271,592.12, 407,381.92 and 159,980.36

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Solution

The fourth proportional to 271,592.12, 407,381.92 and 159,980.36 is: 239,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,592.12 : 407,381.92 = 159,980.36 : x
  2. Step 2: Convert to fraction form
    271,592.12/407,381.92 = 159,980.36/x
  3. Step 3: Cross multiply
    271,592.12x = 407,381.92 × 159,980.36
  4. Step 4: Simplify right side
    271,592.12x = 65,173,106,219.09
  5. Step 5: Solve for x
    x = 65,173,106,219.09/271,592.12
  6. Step 6: Final answer
    x = 239,966.85

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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.