Home / 212,675.22-319,013.10-199,684.44

Finding the Fourth Proportional to 212,675.22, 319,013.10 and 199,684.44

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Solution

The fourth proportional to 212,675.22, 319,013.10 and 199,684.44 is: 299,526.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,675.22 : 319,013.10 = 199,684.44 : x
  2. Step 2: Convert to fraction form
    212,675.22/319,013.10 = 199,684.44/x
  3. Step 3: Cross multiply
    212,675.22x = 319,013.10 × 199,684.44
  4. Step 4: Simplify right side
    212,675.22x = 63,701,952,226.16
  5. Step 5: Solve for x
    x = 63,701,952,226.16/212,675.22
  6. Step 6: Final answer
    x = 299,526.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.