Home / 271,425.48-406,723.04-145,083.72

Finding the Fourth Proportional to 271,425.48, 406,723.04 and 145,083.72

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Solution

The fourth proportional to 271,425.48, 406,723.04 and 145,083.72 is: 217,403.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,425.48 : 406,723.04 = 145,083.72 : x
  2. Step 2: Convert to fraction form
    271,425.48/406,723.04 = 145,083.72/x
  3. Step 3: Cross multiply
    271,425.48x = 406,723.04 × 145,083.72
  4. Step 4: Simplify right side
    271,425.48x = 59,008,891,652.91
  5. Step 5: Solve for x
    x = 59,008,891,652.91/271,425.48
  6. Step 6: Final answer
    x = 217,403.66

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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.