Home / 329,621.40-494,432.10-180,322.20

Finding the Fourth Proportional to 329,621.40, 494,432.10 and 180,322.20

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Solution

The fourth proportional to 329,621.40, 494,432.10 and 180,322.20 is: 270,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,621.40 : 494,432.10 = 180,322.20 : x
  2. Step 2: Convert to fraction form
    329,621.40/494,432.10 = 180,322.20/x
  3. Step 3: Cross multiply
    329,621.40x = 494,432.10 × 180,322.20
  4. Step 4: Simplify right side
    329,621.40x = 89,157,084,022.62
  5. Step 5: Solve for x
    x = 89,157,084,022.62/329,621.40
  6. Step 6: Final answer
    x = 270,483.30

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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.