Home / 286,318.60-395,162.76-206,011.96

Finding the Fourth Proportional to 286,318.60, 395,162.76 and 206,011.96

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Solution

The fourth proportional to 286,318.60, 395,162.76 and 206,011.96 is: 284,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,318.60 : 395,162.76 = 206,011.96 : x
  2. Step 2: Convert to fraction form
    286,318.60/395,162.76 = 206,011.96/x
  3. Step 3: Cross multiply
    286,318.60x = 395,162.76 × 206,011.96
  4. Step 4: Simplify right side
    286,318.60x = 81,408,254,706.61
  5. Step 5: Solve for x
    x = 81,408,254,706.61/286,318.60
  6. Step 6: Final answer
    x = 284,327.51

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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.