Home / 854,543.70-1,281,718.35-223,521.30

Finding the Fourth Proportional to 854,543.70, 1,281,718.35 and 223,521.30

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Solution

The fourth proportional to 854,543.70, 1,281,718.35 and 223,521.30 is: 335,256.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,543.70 : 1,281,718.35 = 223,521.30 : x
  2. Step 2: Convert to fraction form
    854,543.70/1,281,718.35 = 223,521.30/x
  3. Step 3: Cross multiply
    854,543.70x = 1,281,718.35 × 223,521.30
  4. Step 4: Simplify right side
    854,543.70x = 286,491,351,825.86
  5. Step 5: Solve for x
    x = 286,491,351,825.86/854,543.70
  6. Step 6: Final answer
    x = 335,256.53

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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.