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Finding the Fourth Proportional to 277,958.37, 416,933.46 and 88,430.21

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Solution

The fourth proportional to 277,958.37, 416,933.46 and 88,430.21 is: 132,644.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,958.37 : 416,933.46 = 88,430.21 : x
  2. Step 2: Convert to fraction form
    277,958.37/416,933.46 = 88,430.21/x
  3. Step 3: Cross multiply
    277,958.37x = 416,933.46 × 88,430.21
  4. Step 4: Simplify right side
    277,958.37x = 36,869,511,339.16
  5. Step 5: Solve for x
    x = 36,869,511,339.16/277,958.37
  6. Step 6: Final answer
    x = 132,644.00

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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.