Home / 330,840.90-495,277.20-197,652.60

Finding the Fourth Proportional to 330,840.90, 495,277.20 and 197,652.60

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Solution

The fourth proportional to 330,840.90, 495,277.20 and 197,652.60 is: 295,890.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,840.90 : 495,277.20 = 197,652.60 : x
  2. Step 2: Convert to fraction form
    330,840.90/495,277.20 = 197,652.60/x
  3. Step 3: Cross multiply
    330,840.90x = 495,277.20 × 197,652.60
  4. Step 4: Simplify right side
    330,840.90x = 97,892,826,300.72
  5. Step 5: Solve for x
    x = 97,892,826,300.72/330,840.90
  6. Step 6: Final answer
    x = 295,890.94

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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.