Home / 328,904.70-493,315.47-104,267.34

Finding the Fourth Proportional to 328,904.70, 493,315.47 and 104,267.34

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Solution

The fourth proportional to 328,904.70, 493,315.47 and 104,267.34 is: 156,387.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,904.70 : 493,315.47 = 104,267.34 : x
  2. Step 2: Convert to fraction form
    328,904.70/493,315.47 = 104,267.34/x
  3. Step 3: Cross multiply
    328,904.70x = 493,315.47 × 104,267.34
  4. Step 4: Simplify right side
    328,904.70x = 51,436,691,837.75
  5. Step 5: Solve for x
    x = 51,436,691,837.75/328,904.70
  6. Step 6: Final answer
    x = 156,387.83

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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.