Home / 286,338.04-395,344.20-178,956.34

Finding the Fourth Proportional to 286,338.04, 395,344.20 and 178,956.34

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Solution

The fourth proportional to 286,338.04, 395,344.20 and 178,956.34 is: 247,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,338.04 : 395,344.20 = 178,956.34 : x
  2. Step 2: Convert to fraction form
    286,338.04/395,344.20 = 178,956.34/x
  3. Step 3: Cross multiply
    286,338.04x = 395,344.20 × 178,956.34
  4. Step 4: Simplify right side
    286,338.04x = 70,749,351,072.23
  5. Step 5: Solve for x
    x = 70,749,351,072.23/286,338.04
  6. Step 6: Final answer
    x = 247,083.31

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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.