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Finding the Fourth Proportional to 350,078.60, 524,729.10 and 192,420.20

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Solution

The fourth proportional to 350,078.60, 524,729.10 and 192,420.20 is: 288,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,078.60 : 524,729.10 = 192,420.20 : x
  2. Step 2: Convert to fraction form
    350,078.60/524,729.10 = 192,420.20/x
  3. Step 3: Cross multiply
    350,078.60x = 524,729.10 × 192,420.20
  4. Step 4: Simplify right side
    350,078.60x = 100,968,478,367.82
  5. Step 5: Solve for x
    x = 100,968,478,367.82/350,078.60
  6. Step 6: Final answer
    x = 288,416.60

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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.