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Finding the Fourth Proportional to 603,135.04, 832,294.02 and 331,150

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Solution

The fourth proportional to 603,135.04, 832,294.02 and 331,150 is: 456,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,135.04 : 832,294.02 = 331,150 : x
  2. Step 2: Convert to fraction form
    603,135.04/832,294.02 = 331,150/x
  3. Step 3: Cross multiply
    603,135.04x = 832,294.02 × 331,150
  4. Step 4: Simplify right side
    603,135.04x = 275,614,164,723
  5. Step 5: Solve for x
    x = 275,614,164,723/603,135.04
  6. Step 6: Final answer
    x = 456,969.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.