Home / 271,056.20-406,649.10-130,699.40

Finding the Fourth Proportional to 271,056.20, 406,649.10 and 130,699.40

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Solution

The fourth proportional to 271,056.20, 406,649.10 and 130,699.40 is: 196,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,056.20 : 406,649.10 = 130,699.40 : x
  2. Step 2: Convert to fraction form
    271,056.20/406,649.10 = 130,699.40/x
  3. Step 3: Cross multiply
    271,056.20x = 406,649.10 × 130,699.40
  4. Step 4: Simplify right side
    271,056.20x = 53,148,793,380.54
  5. Step 5: Solve for x
    x = 53,148,793,380.54/271,056.20
  6. Step 6: Final answer
    x = 196,080.35

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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.