Home / 271,424.48-406,721.54-145,082.72

Finding the Fourth Proportional to 271,424.48, 406,721.54 and 145,082.72

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Solution

The fourth proportional to 271,424.48, 406,721.54 and 145,082.72 is: 217,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,424.48 : 406,721.54 = 145,082.72 : x
  2. Step 2: Convert to fraction form
    271,424.48/406,721.54 = 145,082.72/x
  3. Step 3: Cross multiply
    271,424.48x = 406,721.54 × 145,082.72
  4. Step 4: Simplify right side
    271,424.48x = 59,008,267,305.79
  5. Step 5: Solve for x
    x = 59,008,267,305.79/271,424.48
  6. Step 6: Final answer
    x = 217,402.16

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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.