Home / 286,004.23-394,684.72-156,944.86

Finding the Fourth Proportional to 286,004.23, 394,684.72 and 156,944.86

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Solution

The fourth proportional to 286,004.23, 394,684.72 and 156,944.86 is: 216,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,004.23 : 394,684.72 = 156,944.86 : x
  2. Step 2: Convert to fraction form
    286,004.23/394,684.72 = 156,944.86/x
  3. Step 3: Cross multiply
    286,004.23x = 394,684.72 × 156,944.86
  4. Step 4: Simplify right side
    286,004.23x = 61,943,736,745.47
  5. Step 5: Solve for x
    x = 61,943,736,745.47/286,004.23
  6. Step 6: Final answer
    x = 216,583.29

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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.