Home / 286,318.22-395,119.85-158,993.81

Finding the Fourth Proportional to 286,318.22, 395,119.85 and 158,993.81

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Solution

The fourth proportional to 286,318.22, 395,119.85 and 158,993.81 is: 219,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,318.22 : 395,119.85 = 158,993.81 : x
  2. Step 2: Convert to fraction form
    286,318.22/395,119.85 = 158,993.81/x
  3. Step 3: Cross multiply
    286,318.22x = 395,119.85 × 158,993.81
  4. Step 4: Simplify right side
    286,318.22x = 62,821,607,587.56
  5. Step 5: Solve for x
    x = 62,821,607,587.56/286,318.22
  6. Step 6: Final answer
    x = 219,411.84

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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.