Home / 214,452.30-321,681.15-56,679.36

Finding the Fourth Proportional to 214,452.30, 321,681.15 and 56,679.36

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Solution

The fourth proportional to 214,452.30, 321,681.15 and 56,679.36 is: 85,019.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,452.30 : 321,681.15 = 56,679.36 : x
  2. Step 2: Convert to fraction form
    214,452.30/321,681.15 = 56,679.36/x
  3. Step 3: Cross multiply
    214,452.30x = 321,681.15 × 56,679.36
  4. Step 4: Simplify right side
    214,452.30x = 18,232,681,706.06
  5. Step 5: Solve for x
    x = 18,232,681,706.06/214,452.30
  6. Step 6: Final answer
    x = 85,019.75

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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.