Home / 345,555.27-476,905.05-192,607.47

Finding the Fourth Proportional to 345,555.27, 476,905.05 and 192,607.47

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Solution

The fourth proportional to 345,555.27, 476,905.05 and 192,607.47 is: 265,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,555.27 : 476,905.05 = 192,607.47 : x
  2. Step 2: Convert to fraction form
    345,555.27/476,905.05 = 192,607.47/x
  3. Step 3: Cross multiply
    345,555.27x = 476,905.05 × 192,607.47
  4. Step 4: Simplify right side
    345,555.27x = 91,855,475,110.72
  5. Step 5: Solve for x
    x = 91,855,475,110.72/345,555.27
  6. Step 6: Final answer
    x = 265,819.92

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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.