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Finding the Fourth Proportional to 275,444.60, 413,166.90 and 263,780.60

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Solution

The fourth proportional to 275,444.60, 413,166.90 and 263,780.60 is: 395,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,444.60 : 413,166.90 = 263,780.60 : x
  2. Step 2: Convert to fraction form
    275,444.60/413,166.90 = 263,780.60/x
  3. Step 3: Cross multiply
    275,444.60x = 413,166.90 × 263,780.60
  4. Step 4: Simplify right side
    275,444.60x = 108,985,412,782.14
  5. Step 5: Solve for x
    x = 108,985,412,782.14/275,444.60
  6. Step 6: Final answer
    x = 395,670.90

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1.5x scale

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.