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Finding the Fourth Proportional to 144,311.64, 216,469.08 and 44,471.04

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Solution

The fourth proportional to 144,311.64, 216,469.08 and 44,471.04 is: 66,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,311.64 : 216,469.08 = 44,471.04 : x
  2. Step 2: Convert to fraction form
    144,311.64/216,469.08 = 44,471.04/x
  3. Step 3: Cross multiply
    144,311.64x = 216,469.08 × 44,471.04
  4. Step 4: Simplify right side
    144,311.64x = 9,626,605,115.44
  5. Step 5: Solve for x
    x = 9,626,605,115.44/144,311.64
  6. Step 6: Final answer
    x = 66,707.06

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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.