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Finding the Fourth Proportional to 364,309.22, 546,500.28 and 111,586.79

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Solution

The fourth proportional to 364,309.22, 546,500.28 and 111,586.79 is: 167,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,309.22 : 546,500.28 = 111,586.79 : x
  2. Step 2: Convert to fraction form
    364,309.22/546,500.28 = 111,586.79/x
  3. Step 3: Cross multiply
    364,309.22x = 546,500.28 × 111,586.79
  4. Step 4: Simplify right side
    364,309.22x = 60,982,209,246.80
  5. Step 5: Solve for x
    x = 60,982,209,246.80/364,309.22
  6. Step 6: Final answer
    x = 167,391.34

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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.