Home / 231,669.42-319,538.94-212,610.75

Finding the Fourth Proportional to 231,669.42, 319,538.94 and 212,610.75

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Solution

The fourth proportional to 231,669.42, 319,538.94 and 212,610.75 is: 293,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,669.42 : 319,538.94 = 212,610.75 : x
  2. Step 2: Convert to fraction form
    231,669.42/319,538.94 = 212,610.75/x
  3. Step 3: Cross multiply
    231,669.42x = 319,538.94 × 212,610.75
  4. Step 4: Simplify right side
    231,669.42x = 67,937,411,692.04
  5. Step 5: Solve for x
    x = 67,937,411,692.04/231,669.42
  6. Step 6: Final answer
    x = 293,251.53

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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.