Home / 289,212.52-433,942.68-111,844.09

Finding the Fourth Proportional to 289,212.52, 433,942.68 and 111,844.09

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Solution

The fourth proportional to 289,212.52, 433,942.68 and 111,844.09 is: 167,814.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,212.52 : 433,942.68 = 111,844.09 : x
  2. Step 2: Convert to fraction form
    289,212.52/433,942.68 = 111,844.09/x
  3. Step 3: Cross multiply
    289,212.52x = 433,942.68 × 111,844.09
  4. Step 4: Simplify right side
    289,212.52x = 48,533,924,156.76
  5. Step 5: Solve for x
    x = 48,533,924,156.76/289,212.52
  6. Step 6: Final answer
    x = 167,814.05

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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.