Home / 329,688.09-494,533.35-80,370.09

Finding the Fourth Proportional to 329,688.09, 494,533.35 and 80,370.09

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Solution

The fourth proportional to 329,688.09, 494,533.35 and 80,370.09 is: 120,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,688.09 : 494,533.35 = 80,370.09 : x
  2. Step 2: Convert to fraction form
    329,688.09/494,533.35 = 80,370.09/x
  3. Step 3: Cross multiply
    329,688.09x = 494,533.35 × 80,370.09
  4. Step 4: Simplify right side
    329,688.09x = 39,745,689,847.50
  5. Step 5: Solve for x
    x = 39,745,689,847.50/329,688.09
  6. Step 6: Final answer
    x = 120,555.43

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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.