Home / 289,072.49-433,359.56-111,703.96

Finding the Fourth Proportional to 289,072.49, 433,359.56 and 111,703.96

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Solution

The fourth proportional to 289,072.49, 433,359.56 and 111,703.96 is: 167,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,072.49 : 433,359.56 = 111,703.96 : x
  2. Step 2: Convert to fraction form
    289,072.49/433,359.56 = 111,703.96/x
  3. Step 3: Cross multiply
    289,072.49x = 433,359.56 × 111,703.96
  4. Step 4: Simplify right side
    289,072.49x = 48,407,976,789.06
  5. Step 5: Solve for x
    x = 48,407,976,789.06/289,072.49
  6. Step 6: Final answer
    x = 167,459.65

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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.