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Finding the Fourth Proportional to 536,136.60, 740,034.60 and 345,150

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Solution

The fourth proportional to 536,136.60, 740,034.60 and 345,150 is: 476,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,136.60 : 740,034.60 = 345,150 : x
  2. Step 2: Convert to fraction form
    536,136.60/740,034.60 = 345,150/x
  3. Step 3: Cross multiply
    536,136.60x = 740,034.60 × 345,150
  4. Step 4: Simplify right side
    536,136.60x = 255,422,942,190
  5. Step 5: Solve for x
    x = 255,422,942,190/536,136.60
  6. Step 6: Final answer
    x = 476,413.93

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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.