Home / 331,448.43-457,382.61-188,205.40

Finding the Fourth Proportional to 331,448.43, 457,382.61 and 188,205.40

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Solution

The fourth proportional to 331,448.43, 457,382.61 and 188,205.40 is: 259,714.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,448.43 : 457,382.61 = 188,205.40 : x
  2. Step 2: Convert to fraction form
    331,448.43/457,382.61 = 188,205.40/x
  3. Step 3: Cross multiply
    331,448.43x = 457,382.61 × 188,205.40
  4. Step 4: Simplify right side
    331,448.43x = 86,081,877,068.09
  5. Step 5: Solve for x
    x = 86,081,877,068.09/331,448.43
  6. Step 6: Final answer
    x = 259,714.24

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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.