Home / 330,017.37-495,234.30-140,477.43

Finding the Fourth Proportional to 330,017.37, 495,234.30 and 140,477.43

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Solution

The fourth proportional to 330,017.37, 495,234.30 and 140,477.43 is: 210,804.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,017.37 : 495,234.30 = 140,477.43 : x
  2. Step 2: Convert to fraction form
    330,017.37/495,234.30 = 140,477.43/x
  3. Step 3: Cross multiply
    330,017.37x = 495,234.30 × 140,477.43
  4. Step 4: Simplify right side
    330,017.37x = 69,569,241,711.85
  5. Step 5: Solve for x
    x = 69,569,241,711.85/330,017.37
  6. Step 6: Final answer
    x = 210,804.79

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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.