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Finding the Fourth Proportional to 361,626.22, 542,475.78 and 95,405.14

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Solution

The fourth proportional to 361,626.22, 542,475.78 and 95,405.14 is: 143,117.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,626.22 : 542,475.78 = 95,405.14 : x
  2. Step 2: Convert to fraction form
    361,626.22/542,475.78 = 95,405.14/x
  3. Step 3: Cross multiply
    361,626.22x = 542,475.78 × 95,405.14
  4. Step 4: Simplify right side
    361,626.22x = 51,754,977,737.51
  5. Step 5: Solve for x
    x = 51,754,977,737.51/361,626.22
  6. Step 6: Final answer
    x = 143,117.33

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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.