Home / 286,422.39-395,279.93-159,097.08

Finding the Fourth Proportional to 286,422.39, 395,279.93 and 159,097.08

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Solution

The fourth proportional to 286,422.39, 395,279.93 and 159,097.08 is: 219,563.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,422.39 : 395,279.93 = 159,097.08 : x
  2. Step 2: Convert to fraction form
    286,422.39/395,279.93 = 159,097.08/x
  3. Step 3: Cross multiply
    286,422.39x = 395,279.93 × 159,097.08
  4. Step 4: Simplify right side
    286,422.39x = 62,887,881,850.12
  5. Step 5: Solve for x
    x = 62,887,881,850.12/286,422.39
  6. Step 6: Final answer
    x = 219,563.43

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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.