Home / 271,148.10-406,952.55-218,616.90

Finding the Fourth Proportional to 271,148.10, 406,952.55 and 218,616.90

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Solution

The fourth proportional to 271,148.10, 406,952.55 and 218,616.90 is: 328,111.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,148.10 : 406,952.55 = 218,616.90 : x
  2. Step 2: Convert to fraction form
    271,148.10/406,952.55 = 218,616.90/x
  3. Step 3: Cross multiply
    271,148.10x = 406,952.55 × 218,616.90
  4. Step 4: Simplify right side
    271,148.10x = 88,966,704,928.10
  5. Step 5: Solve for x
    x = 88,966,704,928.10/271,148.10
  6. Step 6: Final answer
    x = 328,111.11

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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.