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Finding the Fourth Proportional to 322,002.40, 483,003.60 and 203,807.20

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Solution

The fourth proportional to 322,002.40, 483,003.60 and 203,807.20 is: 305,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,002.40 : 483,003.60 = 203,807.20 : x
  2. Step 2: Convert to fraction form
    322,002.40/483,003.60 = 203,807.20/x
  3. Step 3: Cross multiply
    322,002.40x = 483,003.60 × 203,807.20
  4. Step 4: Simplify right side
    322,002.40x = 98,439,611,305.92
  5. Step 5: Solve for x
    x = 98,439,611,305.92/322,002.40
  6. Step 6: Final answer
    x = 305,710.80

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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.