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Finding the Fourth Proportional to 366,960.20, 550,440.30 and 145,344.20

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Solution

The fourth proportional to 366,960.20, 550,440.30 and 145,344.20 is: 218,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,960.20 : 550,440.30 = 145,344.20 : x
  2. Step 2: Convert to fraction form
    366,960.20/550,440.30 = 145,344.20/x
  3. Step 3: Cross multiply
    366,960.20x = 550,440.30 × 145,344.20
  4. Step 4: Simplify right side
    366,960.20x = 80,003,305,051.26
  5. Step 5: Solve for x
    x = 80,003,305,051.26/366,960.20
  6. Step 6: Final answer
    x = 218,016.30

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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.