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Finding the Fourth Proportional to 545,734.80, 818,310.60 and 229,834.80

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Solution

The fourth proportional to 545,734.80, 818,310.60 and 229,834.80 is: 344,629.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,734.80 : 818,310.60 = 229,834.80 : x
  2. Step 2: Convert to fraction form
    545,734.80/818,310.60 = 229,834.80/x
  3. Step 3: Cross multiply
    545,734.80x = 818,310.60 × 229,834.80
  4. Step 4: Simplify right side
    545,734.80x = 188,076,253,088.88
  5. Step 5: Solve for x
    x = 188,076,253,088.88/545,734.80
  6. Step 6: Final answer
    x = 344,629.39

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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.