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Finding the Fourth Proportional to 446,616, 616,330.40 and 245,413.44

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Solution

The fourth proportional to 446,616, 616,330.40 and 245,413.44 is: 338,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,616 : 616,330.40 = 245,413.44 : x
  2. Step 2: Convert to fraction form
    446,616/616,330.40 = 245,413.44/x
  3. Step 3: Cross multiply
    446,616x = 616,330.40 × 245,413.44
  4. Step 4: Simplify right side
    446,616x = 151,255,763,640.58
  5. Step 5: Solve for x
    x = 151,255,763,640.58/446,616
  6. Step 6: Final answer
    x = 338,670.72

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1.5x scale

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.