Home / 328,467.82-492,719.32-103,811.16

Finding the Fourth Proportional to 328,467.82, 492,719.32 and 103,811.16

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Solution

The fourth proportional to 328,467.82, 492,719.32 and 103,811.16 is: 155,722.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,467.82 : 492,719.32 = 103,811.16 : x
  2. Step 2: Convert to fraction form
    328,467.82/492,719.32 = 103,811.16/x
  3. Step 3: Cross multiply
    328,467.82x = 492,719.32 × 103,811.16
  4. Step 4: Simplify right side
    328,467.82x = 51,149,764,163.61
  5. Step 5: Solve for x
    x = 51,149,764,163.61/328,467.82
  6. Step 6: Final answer
    x = 155,722.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.