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Finding the Fourth Proportional to 215,358.42, 297,204.41 and 119,871.16

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Solution

The fourth proportional to 215,358.42, 297,204.41 and 119,871.16 is: 165,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,358.42 : 297,204.41 = 119,871.16 : x
  2. Step 2: Convert to fraction form
    215,358.42/297,204.41 = 119,871.16/x
  3. Step 3: Cross multiply
    215,358.42x = 297,204.41 × 119,871.16
  4. Step 4: Simplify right side
    215,358.42x = 35,626,237,383.82
  5. Step 5: Solve for x
    x = 35,626,237,383.82/215,358.42
  6. Step 6: Final answer
    x = 165,427.65

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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.