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Finding the Fourth Proportional to 215,080.60, 322,329.30 and 143,800.60

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Solution

The fourth proportional to 215,080.60, 322,329.30 and 143,800.60 is: 215,505.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,080.60 : 322,329.30 = 143,800.60 : x
  2. Step 2: Convert to fraction form
    215,080.60/322,329.30 = 143,800.60/x
  3. Step 3: Cross multiply
    215,080.60x = 322,329.30 × 143,800.60
  4. Step 4: Simplify right side
    215,080.60x = 46,351,146,737.58
  5. Step 5: Solve for x
    x = 46,351,146,737.58/215,080.60
  6. Step 6: Final answer
    x = 215,505.94

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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.