Home / 286,811.50-395,784.48-165,954.76

Finding the Fourth Proportional to 286,811.50, 395,784.48 and 165,954.76

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Solution

The fourth proportional to 286,811.50, 395,784.48 and 165,954.76 is: 229,008.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,811.50 : 395,784.48 = 165,954.76 : x
  2. Step 2: Convert to fraction form
    286,811.50/395,784.48 = 165,954.76/x
  3. Step 3: Cross multiply
    286,811.50x = 395,784.48 × 165,954.76
  4. Step 4: Simplify right side
    286,811.50x = 65,682,318,390.12
  5. Step 5: Solve for x
    x = 65,682,318,390.12/286,811.50
  6. Step 6: Final answer
    x = 229,008.66

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1.5x scale

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.