Home / 305,917.20-458,875.80-164,199.60

Finding the Fourth Proportional to 305,917.20, 458,875.80 and 164,199.60

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Solution

The fourth proportional to 305,917.20, 458,875.80 and 164,199.60 is: 246,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,917.20 : 458,875.80 = 164,199.60 : x
  2. Step 2: Convert to fraction form
    305,917.20/458,875.80 = 164,199.60/x
  3. Step 3: Cross multiply
    305,917.20x = 458,875.80 × 164,199.60
  4. Step 4: Simplify right side
    305,917.20x = 75,347,222,809.68
  5. Step 5: Solve for x
    x = 75,347,222,809.68/305,917.20
  6. Step 6: Final answer
    x = 246,299.40

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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.