Home / 345,017.78-476,138.51-192,046.26

Finding the Fourth Proportional to 345,017.78, 476,138.51 and 192,046.26

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Solution

The fourth proportional to 345,017.78, 476,138.51 and 192,046.26 is: 265,031.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,017.78 : 476,138.51 = 192,046.26 : x
  2. Step 2: Convert to fraction form
    345,017.78/476,138.51 = 192,046.26/x
  3. Step 3: Cross multiply
    345,017.78x = 476,138.51 × 192,046.26
  4. Step 4: Simplify right side
    345,017.78x = 91,440,619,127.24
  5. Step 5: Solve for x
    x = 91,440,619,127.24/345,017.78
  6. Step 6: Final answer
    x = 265,031.62

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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.