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Finding the Fourth Proportional to 260,795.16, 359,906.18 and 146,078.73

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Solution

The fourth proportional to 260,795.16, 359,906.18 and 146,078.73 is: 201,593.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,795.16 : 359,906.18 = 146,078.73 : x
  2. Step 2: Convert to fraction form
    260,795.16/359,906.18 = 146,078.73/x
  3. Step 3: Cross multiply
    260,795.16x = 359,906.18 × 146,078.73
  4. Step 4: Simplify right side
    260,795.16x = 52,574,636,963.16
  5. Step 5: Solve for x
    x = 52,574,636,963.16/260,795.16
  6. Step 6: Final answer
    x = 201,593.61

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1.5x scale

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.