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Finding the Fourth Proportional to 248,407.62, 342,847.25 and 146,427.04

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Solution

The fourth proportional to 248,407.62, 342,847.25 and 146,427.04 is: 202,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,407.62 : 342,847.25 = 146,427.04 : x
  2. Step 2: Convert to fraction form
    248,407.62/342,847.25 = 146,427.04/x
  3. Step 3: Cross multiply
    248,407.62x = 342,847.25 × 146,427.04
  4. Step 4: Simplify right side
    248,407.62x = 50,202,107,989.64
  5. Step 5: Solve for x
    x = 50,202,107,989.64/248,407.62
  6. Step 6: Final answer
    x = 202,095.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.