Home / 432,918.72-649,413.36-133,399.44

Finding the Fourth Proportional to 432,918.72, 649,413.36 and 133,399.44

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Solution

The fourth proportional to 432,918.72, 649,413.36 and 133,399.44 is: 200,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,918.72 : 649,413.36 = 133,399.44 : x
  2. Step 2: Convert to fraction form
    432,918.72/649,413.36 = 133,399.44/x
  3. Step 3: Cross multiply
    432,918.72x = 649,413.36 × 133,399.44
  4. Step 4: Simplify right side
    432,918.72x = 86,631,378,552.52
  5. Step 5: Solve for x
    x = 86,631,378,552.52/432,918.72
  6. Step 6: Final answer
    x = 200,110.03

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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.