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Finding the Fourth Proportional to 475,771.06, 656,564.97 and 260,912.71

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Solution

The fourth proportional to 475,771.06, 656,564.97 and 260,912.71 is: 360,060.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,771.06 : 656,564.97 = 260,912.71 : x
  2. Step 2: Convert to fraction form
    475,771.06/656,564.97 = 260,912.71/x
  3. Step 3: Cross multiply
    475,771.06x = 656,564.97 × 260,912.71
  4. Step 4: Simplify right side
    475,771.06x = 171,306,145,613.77
  5. Step 5: Solve for x
    x = 171,306,145,613.77/475,771.06
  6. Step 6: Final answer
    x = 360,060.04

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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.