Finding the Fourth Proportional to 489,797.28, 734,413.05 and 189,927.54
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Solution
The fourth proportional to 489,797.28, 734,413.05 and 189,927.54 is: 284,781.62
Step by Step Solution
- Step 1: Write the proportion equation
489,797.28 : 734,413.05 = 189,927.54 : x - Step 2: Convert to fraction form
489,797.28/734,413.05 = 189,927.54/x - Step 3: Cross multiply
489,797.28x = 734,413.05 × 189,927.54 - Step 4: Simplify right side
489,797.28x = 139,485,263,930.40 - Step 5: Solve for x
x = 139,485,263,930.40/489,797.28 - Step 6: Final answer
x = 284,781.62
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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.