Home / 215,447.81-297,320.03-119,956.56

Finding the Fourth Proportional to 215,447.81, 297,320.03 and 119,956.56

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Solution

The fourth proportional to 215,447.81, 297,320.03 and 119,956.56 is: 165,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,447.81 : 297,320.03 = 119,956.56 : x
  2. Step 2: Convert to fraction form
    215,447.81/297,320.03 = 119,956.56/x
  3. Step 3: Cross multiply
    215,447.81x = 297,320.03 × 119,956.56
  4. Step 4: Simplify right side
    215,447.81x = 35,665,488,317.79
  5. Step 5: Solve for x
    x = 35,665,488,317.79/215,447.81
  6. Step 6: Final answer
    x = 165,541.19

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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.