Home / 854,229.12-1,281,356.10-223,143

Finding the Fourth Proportional to 854,229.12, 1,281,356.10 and 223,143

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Solution

The fourth proportional to 854,229.12, 1,281,356.10 and 223,143 is: 334,717.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,229.12 : 1,281,356.10 = 223,143 : x
  2. Step 2: Convert to fraction form
    854,229.12/1,281,356.10 = 223,143/x
  3. Step 3: Cross multiply
    854,229.12x = 1,281,356.10 × 223,143
  4. Step 4: Simplify right side
    854,229.12x = 285,925,644,222.30
  5. Step 5: Solve for x
    x = 285,925,644,222.30/854,229.12
  6. Step 6: Final answer
    x = 334,717.74

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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.