Home / 212,988.15-319,482.23-199,997.37

Finding the Fourth Proportional to 212,988.15, 319,482.23 and 199,997.37

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Solution

The fourth proportional to 212,988.15, 319,482.23 and 199,997.37 is: 299,996.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,988.15 : 319,482.23 = 199,997.37 : x
  2. Step 2: Convert to fraction form
    212,988.15/319,482.23 = 199,997.37/x
  3. Step 3: Cross multiply
    212,988.15x = 319,482.23 × 199,997.37
  4. Step 4: Simplify right side
    212,988.15x = 63,895,604,761.75
  5. Step 5: Solve for x
    x = 63,895,604,761.75/212,988.15
  6. Step 6: Final answer
    x = 299,996.06

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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.