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Finding the Fourth Proportional to 351,362.88, 484,548.89 and 230,608.89

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Solution

The fourth proportional to 351,362.88, 484,548.89 and 230,608.89 is: 318,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,362.88 : 484,548.89 = 230,608.89 : x
  2. Step 2: Convert to fraction form
    351,362.88/484,548.89 = 230,608.89/x
  3. Step 3: Cross multiply
    351,362.88x = 484,548.89 × 230,608.89
  4. Step 4: Simplify right side
    351,362.88x = 111,741,280,520.59
  5. Step 5: Solve for x
    x = 111,741,280,520.59/351,362.88
  6. Step 6: Final answer
    x = 318,022.44

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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.