Home / 215,553.42-297,383.31-215,221.14

Finding the Fourth Proportional to 215,553.42, 297,383.31 and 215,221.14

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Solution

The fourth proportional to 215,553.42, 297,383.31 and 215,221.14 is: 296,924.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,553.42 : 297,383.31 = 215,221.14 : x
  2. Step 2: Convert to fraction form
    215,553.42/297,383.31 = 215,221.14/x
  3. Step 3: Cross multiply
    215,553.42x = 297,383.31 × 215,221.14
  4. Step 4: Simplify right side
    215,553.42x = 64,003,174,995.17
  5. Step 5: Solve for x
    x = 64,003,174,995.17/215,553.42
  6. Step 6: Final answer
    x = 296,924.89

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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.