Home / 315,171.14-434,956.73-179,217.72

Finding the Fourth Proportional to 315,171.14, 434,956.73 and 179,217.72

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Solution

The fourth proportional to 315,171.14, 434,956.73 and 179,217.72 is: 247,332.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,171.14 : 434,956.73 = 179,217.72 : x
  2. Step 2: Convert to fraction form
    315,171.14/434,956.73 = 179,217.72/x
  3. Step 3: Cross multiply
    315,171.14x = 434,956.73 × 179,217.72
  4. Step 4: Simplify right side
    315,171.14x = 77,951,952,553.17
  5. Step 5: Solve for x
    x = 77,951,952,553.17/315,171.14
  6. Step 6: Final answer
    x = 247,332.14

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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.