Home / 286,461.11-395,168.08-194,585.12

Finding the Fourth Proportional to 286,461.11, 395,168.08 and 194,585.12

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Solution

The fourth proportional to 286,461.11, 395,168.08 and 194,585.12 is: 268,426.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,461.11 : 395,168.08 = 194,585.12 : x
  2. Step 2: Convert to fraction form
    286,461.11/395,168.08 = 194,585.12/x
  3. Step 3: Cross multiply
    286,461.11x = 395,168.08 × 194,585.12
  4. Step 4: Simplify right side
    286,461.11x = 76,893,825,318.20
  5. Step 5: Solve for x
    x = 76,893,825,318.20/286,461.11
  6. Step 6: Final answer
    x = 268,426.76

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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.