Home / 329,069.20-493,603.80-92,419.60

Finding the Fourth Proportional to 329,069.20, 493,603.80 and 92,419.60

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Solution

The fourth proportional to 329,069.20, 493,603.80 and 92,419.60 is: 138,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,069.20 : 493,603.80 = 92,419.60 : x
  2. Step 2: Convert to fraction form
    329,069.20/493,603.80 = 92,419.60/x
  3. Step 3: Cross multiply
    329,069.20x = 493,603.80 × 92,419.60
  4. Step 4: Simplify right side
    329,069.20x = 45,618,665,754.48
  5. Step 5: Solve for x
    x = 45,618,665,754.48/329,069.20
  6. Step 6: Final answer
    x = 138,629.40

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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.