Home / 289,083.15-433,622.31-225,956.39

Finding the Fourth Proportional to 289,083.15, 433,622.31 and 225,956.39

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Solution

The fourth proportional to 289,083.15, 433,622.31 and 225,956.39 is: 338,932.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,083.15 : 433,622.31 = 225,956.39 : x
  2. Step 2: Convert to fraction form
    289,083.15/433,622.31 = 225,956.39/x
  3. Step 3: Cross multiply
    289,083.15x = 433,622.31 × 225,956.39
  4. Step 4: Simplify right side
    289,083.15x = 97,979,730,046.62
  5. Step 5: Solve for x
    x = 97,979,730,046.62/289,083.15
  6. Step 6: Final answer
    x = 338,932.69

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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.