Home / 214,043.21-321,039.28-56,283.96

Finding the Fourth Proportional to 214,043.21, 321,039.28 and 56,283.96

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Solution

The fourth proportional to 214,043.21, 321,039.28 and 56,283.96 is: 84,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,043.21 : 321,039.28 = 56,283.96 : x
  2. Step 2: Convert to fraction form
    214,043.21/321,039.28 = 56,283.96/x
  3. Step 3: Cross multiply
    214,043.21x = 321,039.28 × 56,283.96
  4. Step 4: Simplify right side
    214,043.21x = 18,069,363,268.20
  5. Step 5: Solve for x
    x = 18,069,363,268.20/214,043.21
  6. Step 6: Final answer
    x = 84,419.23

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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.