Home / 345,288.42-476,463.96-192,321.48

Finding the Fourth Proportional to 345,288.42, 476,463.96 and 192,321.48

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Solution

The fourth proportional to 345,288.42, 476,463.96 and 192,321.48 is: 265,384.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,288.42 : 476,463.96 = 192,321.48 : x
  2. Step 2: Convert to fraction form
    345,288.42/476,463.96 = 192,321.48/x
  3. Step 3: Cross multiply
    345,288.42x = 476,463.96 × 192,321.48
  4. Step 4: Simplify right side
    345,288.42x = 91,634,253,953.86
  5. Step 5: Solve for x
    x = 91,634,253,953.86/345,288.42
  6. Step 6: Final answer
    x = 265,384.67

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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.