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Finding the Fourth Proportional to 365,630.80, 548,446.20 and 169,022.80

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Solution

The fourth proportional to 365,630.80, 548,446.20 and 169,022.80 is: 253,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,630.80 : 548,446.20 = 169,022.80 : x
  2. Step 2: Convert to fraction form
    365,630.80/548,446.20 = 169,022.80/x
  3. Step 3: Cross multiply
    365,630.80x = 548,446.20 × 169,022.80
  4. Step 4: Simplify right side
    365,630.80x = 92,699,912,373.36
  5. Step 5: Solve for x
    x = 92,699,912,373.36/365,630.80
  6. Step 6: Final answer
    x = 253,534.20

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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.