Home / 414,342.19-621,511.51-114,821.91

Finding the Fourth Proportional to 414,342.19, 621,511.51 and 114,821.91

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Solution

The fourth proportional to 414,342.19, 621,511.51 and 114,821.91 is: 172,232.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,342.19 : 621,511.51 = 114,821.91 : x
  2. Step 2: Convert to fraction form
    414,342.19/621,511.51 = 114,821.91/x
  3. Step 3: Cross multiply
    414,342.19x = 621,511.51 × 114,821.91
  4. Step 4: Simplify right side
    414,342.19x = 71,363,138,665.18
  5. Step 5: Solve for x
    x = 71,363,138,665.18/414,342.19
  6. Step 6: Final answer
    x = 172,232.37

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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.