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Finding the Fourth Proportional to 215,368.57, 297,208.64 and 119,873.22

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Solution

The fourth proportional to 215,368.57, 297,208.64 and 119,873.22 is: 165,425.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,368.57 : 297,208.64 = 119,873.22 : x
  2. Step 2: Convert to fraction form
    215,368.57/297,208.64 = 119,873.22/x
  3. Step 3: Cross multiply
    215,368.57x = 297,208.64 × 119,873.22
  4. Step 4: Simplify right side
    215,368.57x = 35,627,355,202.58
  5. Step 5: Solve for x
    x = 35,627,355,202.58/215,368.57
  6. Step 6: Final answer
    x = 165,425.04

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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.