Home / 345,384.20-476,665.25-192,447.29

Finding the Fourth Proportional to 345,384.20, 476,665.25 and 192,447.29

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Solution

The fourth proportional to 345,384.20, 476,665.25 and 192,447.29 is: 265,596.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,384.20 : 476,665.25 = 192,447.29 : x
  2. Step 2: Convert to fraction form
    345,384.20/476,665.25 = 192,447.29/x
  3. Step 3: Cross multiply
    345,384.20x = 476,665.25 × 192,447.29
  4. Step 4: Simplify right side
    345,384.20x = 91,732,935,829.10
  5. Step 5: Solve for x
    x = 91,732,935,829.10/345,384.20
  6. Step 6: Final answer
    x = 265,596.79

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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.