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Finding the Fourth Proportional to 307,852.45, 461,794.23 and 118,246.34

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Solution

The fourth proportional to 307,852.45, 461,794.23 and 118,246.34 is: 177,375.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,852.45 : 461,794.23 = 118,246.34 : x
  2. Step 2: Convert to fraction form
    307,852.45/461,794.23 = 118,246.34/x
  3. Step 3: Cross multiply
    307,852.45x = 461,794.23 × 118,246.34
  4. Step 4: Simplify right side
    307,852.45x = 54,605,478,685.10
  5. Step 5: Solve for x
    x = 54,605,478,685.10/307,852.45
  6. Step 6: Final answer
    x = 177,375.49

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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.