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Finding the Fourth Proportional to 507,350.88, 700,149.36 and 306,108

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Solution

The fourth proportional to 507,350.88, 700,149.36 and 306,108 is: 422,432.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,350.88 : 700,149.36 = 306,108 : x
  2. Step 2: Convert to fraction form
    507,350.88/700,149.36 = 306,108/x
  3. Step 3: Cross multiply
    507,350.88x = 700,149.36 × 306,108
  4. Step 4: Simplify right side
    507,350.88x = 214,321,320,290.88
  5. Step 5: Solve for x
    x = 214,321,320,290.88/507,350.88
  6. Step 6: Final answer
    x = 422,432.14

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