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Finding the Fourth Proportional to 347,260.80, 520,891.20 and 110,601.60

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Solution

The fourth proportional to 347,260.80, 520,891.20 and 110,601.60 is: 165,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,260.80 : 520,891.20 = 110,601.60 : x
  2. Step 2: Convert to fraction form
    347,260.80/520,891.20 = 110,601.60/x
  3. Step 3: Cross multiply
    347,260.80x = 520,891.20 × 110,601.60
  4. Step 4: Simplify right side
    347,260.80x = 57,611,400,145.92
  5. Step 5: Solve for x
    x = 57,611,400,145.92/347,260.80
  6. Step 6: Final answer
    x = 165,902.40

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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.