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Finding the Fourth Proportional to 229,630.65, 344,602.69 and 79,869.44

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Solution

The fourth proportional to 229,630.65, 344,602.69 and 79,869.44 is: 119,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,630.65 : 344,602.69 = 79,869.44 : x
  2. Step 2: Convert to fraction form
    229,630.65/344,602.69 = 79,869.44/x
  3. Step 3: Cross multiply
    229,630.65x = 344,602.69 × 79,869.44
  4. Step 4: Simplify right side
    229,630.65x = 27,523,224,534.63
  5. Step 5: Solve for x
    x = 27,523,224,534.63/229,630.65
  6. Step 6: Final answer
    x = 119,858.67

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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.