Home / 328,944.29-493,434.05-104,321.79

Finding the Fourth Proportional to 328,944.29, 493,434.05 and 104,321.79

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Solution

The fourth proportional to 328,944.29, 493,434.05 and 104,321.79 is: 156,488.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,944.29 : 493,434.05 = 104,321.79 : x
  2. Step 2: Convert to fraction form
    328,944.29/493,434.05 = 104,321.79/x
  3. Step 3: Cross multiply
    328,944.29x = 493,434.05 × 104,321.79
  4. Step 4: Simplify right side
    328,944.29x = 51,475,922,821.34
  5. Step 5: Solve for x
    x = 51,475,922,821.34/328,944.29
  6. Step 6: Final answer
    x = 156,488.27

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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.