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Finding the Fourth Proportional to 372,245.40, 558,368.10 and 330,911.10

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Solution

The fourth proportional to 372,245.40, 558,368.10 and 330,911.10 is: 496,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,245.40 : 558,368.10 = 330,911.10 : x
  2. Step 2: Convert to fraction form
    372,245.40/558,368.10 = 330,911.10/x
  3. Step 3: Cross multiply
    372,245.40x = 558,368.10 × 330,911.10
  4. Step 4: Simplify right side
    372,245.40x = 184,770,202,175.91
  5. Step 5: Solve for x
    x = 184,770,202,175.91/372,245.40
  6. Step 6: Final answer
    x = 496,366.65

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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.