Home / 214,165.08-321,220.38-56,405.88

Finding the Fourth Proportional to 214,165.08, 321,220.38 and 56,405.88

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Solution

The fourth proportional to 214,165.08, 321,220.38 and 56,405.88 is: 84,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,165.08 : 321,220.38 = 56,405.88 : x
  2. Step 2: Convert to fraction form
    214,165.08/321,220.38 = 56,405.88/x
  3. Step 3: Cross multiply
    214,165.08x = 321,220.38 × 56,405.88
  4. Step 4: Simplify right side
    214,165.08x = 18,118,718,207.83
  5. Step 5: Solve for x
    x = 18,118,718,207.83/214,165.08
  6. Step 6: Final answer
    x = 84,601.65

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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.