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Finding the Fourth Proportional to 323,653.95, 446,661.68 and 180,413.55

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Solution

The fourth proportional to 323,653.95, 446,661.68 and 180,413.55 is: 248,981.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,653.95 : 446,661.68 = 180,413.55 : x
  2. Step 2: Convert to fraction form
    323,653.95/446,661.68 = 180,413.55/x
  3. Step 3: Cross multiply
    323,653.95x = 446,661.68 × 180,413.55
  4. Step 4: Simplify right side
    323,653.95x = 80,583,818,435.70
  5. Step 5: Solve for x
    x = 80,583,818,435.70/323,653.95
  6. Step 6: Final answer
    x = 248,981.41

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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.