Home / 271,246.80-406,985.40-130,933.20

Finding the Fourth Proportional to 271,246.80, 406,985.40 and 130,933.20

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Solution

The fourth proportional to 271,246.80, 406,985.40 and 130,933.20 is: 196,455.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,246.80 : 406,985.40 = 130,933.20 : x
  2. Step 2: Convert to fraction form
    271,246.80/406,985.40 = 130,933.20/x
  3. Step 3: Cross multiply
    271,246.80x = 406,985.40 × 130,933.20
  4. Step 4: Simplify right side
    271,246.80x = 53,287,900,775.28
  5. Step 5: Solve for x
    x = 53,287,900,775.28/271,246.80
  6. Step 6: Final answer
    x = 196,455.41

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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.