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Finding the Fourth Proportional to 215,801.87, 297,800.06 and 119,005.74

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Solution

The fourth proportional to 215,801.87, 297,800.06 and 119,005.74 is: 164,224.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,801.87 : 297,800.06 = 119,005.74 : x
  2. Step 2: Convert to fraction form
    215,801.87/297,800.06 = 119,005.74/x
  3. Step 3: Cross multiply
    215,801.87x = 297,800.06 × 119,005.74
  4. Step 4: Simplify right side
    215,801.87x = 35,439,915,917.32
  5. Step 5: Solve for x
    x = 35,439,915,917.32/215,801.87
  6. Step 6: Final answer
    x = 164,224.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.