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Finding the Fourth Proportional to 383,744.40, 575,616.60 and 361,971.60

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Solution

The fourth proportional to 383,744.40, 575,616.60 and 361,971.60 is: 542,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,744.40 : 575,616.60 = 361,971.60 : x
  2. Step 2: Convert to fraction form
    383,744.40/575,616.60 = 361,971.60/x
  3. Step 3: Cross multiply
    383,744.40x = 575,616.60 × 361,971.60
  4. Step 4: Simplify right side
    383,744.40x = 208,356,861,688.56
  5. Step 5: Solve for x
    x = 208,356,861,688.56/383,744.40
  6. Step 6: Final answer
    x = 542,957.40

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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.