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Finding the Fourth Proportional to 255,716.52, 353,014.02 and 198,228.84

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Solution

The fourth proportional to 255,716.52, 353,014.02 and 198,228.84 is: 273,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,716.52 : 353,014.02 = 198,228.84 : x
  2. Step 2: Convert to fraction form
    255,716.52/353,014.02 = 198,228.84/x
  3. Step 3: Cross multiply
    255,716.52x = 353,014.02 × 198,228.84
  4. Step 4: Simplify right side
    255,716.52x = 69,977,559,688.34
  5. Step 5: Solve for x
    x = 69,977,559,688.34/255,716.52
  6. Step 6: Final answer
    x = 273,652.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.