Home / 214,555.11-321,848.46-56,782.50

Finding the Fourth Proportional to 214,555.11, 321,848.46 and 56,782.50

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Solution

The fourth proportional to 214,555.11, 321,848.46 and 56,782.50 is: 85,177.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,555.11 : 321,848.46 = 56,782.50 : x
  2. Step 2: Convert to fraction form
    214,555.11/321,848.46 = 56,782.50/x
  3. Step 3: Cross multiply
    214,555.11x = 321,848.46 × 56,782.50
  4. Step 4: Simplify right side
    214,555.11x = 18,275,360,179.95
  5. Step 5: Solve for x
    x = 18,275,360,179.95/214,555.11
  6. Step 6: Final answer
    x = 85,177.93

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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.