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Finding the Fourth Proportional to 329,200.20, 493,800.30 and 303,539.40

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Solution

The fourth proportional to 329,200.20, 493,800.30 and 303,539.40 is: 455,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,200.20 : 493,800.30 = 303,539.40 : x
  2. Step 2: Convert to fraction form
    329,200.20/493,800.30 = 303,539.40/x
  3. Step 3: Cross multiply
    329,200.20x = 493,800.30 × 303,539.40
  4. Step 4: Simplify right side
    329,200.20x = 149,887,846,781.82
  5. Step 5: Solve for x
    x = 149,887,846,781.82/329,200.20
  6. Step 6: Final answer
    x = 455,309.10

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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.