Home / 229,491.04-344,227.20-79,765.28

Finding the Fourth Proportional to 229,491.04, 344,227.20 and 79,765.28

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Solution

The fourth proportional to 229,491.04, 344,227.20 and 79,765.28 is: 119,644.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,491.04 : 344,227.20 = 79,765.28 : x
  2. Step 2: Convert to fraction form
    229,491.04/344,227.20 = 79,765.28/x
  3. Step 3: Cross multiply
    229,491.04x = 344,227.20 × 79,765.28
  4. Step 4: Simplify right side
    229,491.04x = 27,457,378,991.62
  5. Step 5: Solve for x
    x = 27,457,378,991.62/229,491.04
  6. Step 6: Final answer
    x = 119,644.67

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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.