Home / 286,373.36-395,172.05-165,522.44

Finding the Fourth Proportional to 286,373.36, 395,172.05 and 165,522.44

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Solution

The fourth proportional to 286,373.36, 395,172.05 and 165,522.44 is: 228,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,373.36 : 395,172.05 = 165,522.44 : x
  2. Step 2: Convert to fraction form
    286,373.36/395,172.05 = 165,522.44/x
  3. Step 3: Cross multiply
    286,373.36x = 395,172.05 × 165,522.44
  4. Step 4: Simplify right side
    286,373.36x = 65,409,839,132.33
  5. Step 5: Solve for x
    x = 65,409,839,132.33/286,373.36
  6. Step 6: Final answer
    x = 228,407.56

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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.