Home / 454,413.40-681,620.10-155,231.80

Finding the Fourth Proportional to 454,413.40, 681,620.10 and 155,231.80

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Solution

The fourth proportional to 454,413.40, 681,620.10 and 155,231.80 is: 232,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,413.40 : 681,620.10 = 155,231.80 : x
  2. Step 2: Convert to fraction form
    454,413.40/681,620.10 = 155,231.80/x
  3. Step 3: Cross multiply
    454,413.40x = 681,620.10 × 155,231.80
  4. Step 4: Simplify right side
    454,413.40x = 105,809,115,039.18
  5. Step 5: Solve for x
    x = 105,809,115,039.18/454,413.40
  6. Step 6: Final answer
    x = 232,847.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.