Home / 330,014.96-495,018.26-105,372.55

Finding the Fourth Proportional to 330,014.96, 495,018.26 and 105,372.55

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Solution

The fourth proportional to 330,014.96, 495,018.26 and 105,372.55 is: 158,057.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,014.96 : 495,018.26 = 105,372.55 : x
  2. Step 2: Convert to fraction form
    330,014.96/495,018.26 = 105,372.55/x
  3. Step 3: Cross multiply
    330,014.96x = 495,018.26 × 105,372.55
  4. Step 4: Simplify right side
    330,014.96x = 52,161,334,351.70
  5. Step 5: Solve for x
    x = 52,161,334,351.70/330,014.96
  6. Step 6: Final answer
    x = 158,057.48

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1.5x scale

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.