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Finding the Fourth Proportional to 361,806.55, 542,735.75 and 95,564.41

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Solution

The fourth proportional to 361,806.55, 542,735.75 and 95,564.41 is: 143,353.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,806.55 : 542,735.75 = 95,564.41 : x
  2. Step 2: Convert to fraction form
    361,806.55/542,735.75 = 95,564.41/x
  3. Step 3: Cross multiply
    361,806.55x = 542,735.75 × 95,564.41
  4. Step 4: Simplify right side
    361,806.55x = 51,866,221,734.66
  5. Step 5: Solve for x
    x = 51,866,221,734.66/361,806.55
  6. Step 6: Final answer
    x = 143,353.46

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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.