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Finding the Fourth Proportional to 446,654, 616,382.52 and 245,450

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Solution

The fourth proportional to 446,654, 616,382.52 and 245,450 is: 338,721

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,654 : 616,382.52 = 245,450 : x
  2. Step 2: Convert to fraction form
    446,654/616,382.52 = 245,450/x
  3. Step 3: Cross multiply
    446,654x = 616,382.52 × 245,450
  4. Step 4: Simplify right side
    446,654x = 151,291,089,534
  5. Step 5: Solve for x
    x = 151,291,089,534/446,654
  6. Step 6: Final answer
    x = 338,721

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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.