Home / 214,647.24-321,970.50-81,527.22

Finding the Fourth Proportional to 214,647.24, 321,970.50 and 81,527.22

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Solution

The fourth proportional to 214,647.24, 321,970.50 and 81,527.22 is: 122,290.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,647.24 : 321,970.50 = 81,527.22 : x
  2. Step 2: Convert to fraction form
    214,647.24/321,970.50 = 81,527.22/x
  3. Step 3: Cross multiply
    214,647.24x = 321,970.50 × 81,527.22
  4. Step 4: Simplify right side
    214,647.24x = 26,249,359,787.01
  5. Step 5: Solve for x
    x = 26,249,359,787.01/214,647.24
  6. Step 6: Final answer
    x = 122,290.69

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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.