Home / 286,485.35-395,326.64-165,634.43

Finding the Fourth Proportional to 286,485.35, 395,326.64 and 165,634.43

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Solution

The fourth proportional to 286,485.35, 395,326.64 and 165,634.43 is: 228,562.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,485.35 : 395,326.64 = 165,634.43 : x
  2. Step 2: Convert to fraction form
    286,485.35/395,326.64 = 165,634.43/x
  3. Step 3: Cross multiply
    286,485.35x = 395,326.64 × 165,634.43
  4. Step 4: Simplify right side
    286,485.35x = 65,479,699,875.41
  5. Step 5: Solve for x
    x = 65,479,699,875.41/286,485.35
  6. Step 6: Final answer
    x = 228,562.13

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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.