Home / 455,179.69-682,551.28-215,093.76

Finding the Fourth Proportional to 455,179.69, 682,551.28 and 215,093.76

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Solution

The fourth proportional to 455,179.69, 682,551.28 and 215,093.76 is: 322,537.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,179.69 : 682,551.28 = 215,093.76 : x
  2. Step 2: Convert to fraction form
    455,179.69/682,551.28 = 215,093.76/x
  3. Step 3: Cross multiply
    455,179.69x = 682,551.28 × 215,093.76
  4. Step 4: Simplify right side
    455,179.69x = 146,812,521,208.01
  5. Step 5: Solve for x
    x = 146,812,521,208.01/455,179.69
  6. Step 6: Final answer
    x = 322,537.50

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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.