Home / 286,535.06-395,395.22-165,684.16

Finding the Fourth Proportional to 286,535.06, 395,395.22 and 165,684.16

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Solution

The fourth proportional to 286,535.06, 395,395.22 and 165,684.16 is: 228,630.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,535.06 : 395,395.22 = 165,684.16 : x
  2. Step 2: Convert to fraction form
    286,535.06/395,395.22 = 165,684.16/x
  3. Step 3: Cross multiply
    286,535.06x = 395,395.22 × 165,684.16
  4. Step 4: Simplify right side
    286,535.06x = 65,510,724,893.72
  5. Step 5: Solve for x
    x = 65,510,724,893.72/286,535.06
  6. Step 6: Final answer
    x = 228,630.75

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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.