Home / 349,401.48-482,207.03-196,477.94

Finding the Fourth Proportional to 349,401.48, 482,207.03 and 196,477.94

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Solution

The fourth proportional to 349,401.48, 482,207.03 and 196,477.94 is: 271,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,401.48 : 482,207.03 = 196,477.94 : x
  2. Step 2: Convert to fraction form
    349,401.48/482,207.03 = 196,477.94/x
  3. Step 3: Cross multiply
    349,401.48x = 482,207.03 × 196,477.94
  4. Step 4: Simplify right side
    349,401.48x = 94,743,040,514.49
  5. Step 5: Solve for x
    x = 94,743,040,514.49/349,401.48
  6. Step 6: Final answer
    x = 271,158.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.