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Finding the Fourth Proportional to 348,002.40, 522,003.60 and 331,672.80

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Solution

The fourth proportional to 348,002.40, 522,003.60 and 331,672.80 is: 497,509.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,002.40 : 522,003.60 = 331,672.80 : x
  2. Step 2: Convert to fraction form
    348,002.40/522,003.60 = 331,672.80/x
  3. Step 3: Cross multiply
    348,002.40x = 522,003.60 × 331,672.80
  4. Step 4: Simplify right side
    348,002.40x = 173,134,395,622.08
  5. Step 5: Solve for x
    x = 173,134,395,622.08/348,002.40
  6. Step 6: Final answer
    x = 497,509.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.