Home / 286,272.04-395,073.30-165,435.46

Finding the Fourth Proportional to 286,272.04, 395,073.30 and 165,435.46

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Solution

The fourth proportional to 286,272.04, 395,073.30 and 165,435.46 is: 228,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,272.04 : 395,073.30 = 165,435.46 : x
  2. Step 2: Convert to fraction form
    286,272.04/395,073.30 = 165,435.46/x
  3. Step 3: Cross multiply
    286,272.04x = 395,073.30 × 165,435.46
  4. Step 4: Simplify right side
    286,272.04x = 65,359,133,119.22
  5. Step 5: Solve for x
    x = 65,359,133,119.22/286,272.04
  6. Step 6: Final answer
    x = 228,311.27

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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.