Home / 328,921.39-493,444.29-104,338.36

Finding the Fourth Proportional to 328,921.39, 493,444.29 and 104,338.36

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Solution

The fourth proportional to 328,921.39, 493,444.29 and 104,338.36 is: 156,527.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,921.39 : 493,444.29 = 104,338.36 : x
  2. Step 2: Convert to fraction form
    328,921.39/493,444.29 = 104,338.36/x
  3. Step 3: Cross multiply
    328,921.39x = 493,444.29 × 104,338.36
  4. Step 4: Simplify right side
    328,921.39x = 51,485,167,969.96
  5. Step 5: Solve for x
    x = 51,485,167,969.96/328,921.39
  6. Step 6: Final answer
    x = 156,527.27

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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.