Home / 305,180.46-457,677.18-211,015.75

Finding the Fourth Proportional to 305,180.46, 457,677.18 and 211,015.75

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Solution

The fourth proportional to 305,180.46, 457,677.18 and 211,015.75 is: 316,458.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,180.46 : 457,677.18 = 211,015.75 : x
  2. Step 2: Convert to fraction form
    305,180.46/457,677.18 = 211,015.75/x
  3. Step 3: Cross multiply
    305,180.46x = 457,677.18 × 211,015.75
  4. Step 4: Simplify right side
    305,180.46x = 96,577,092,340.51
  5. Step 5: Solve for x
    x = 96,577,092,340.51/305,180.46
  6. Step 6: Final answer
    x = 316,458.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.