Finding the Fourth Proportional to 298,241.40, 411,439.28 and 201,413.80
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Solution
The fourth proportional to 298,241.40, 411,439.28 and 201,413.80 is: 277,860.65
Step by Step Solution
- Step 1: Write the proportion equation
298,241.40 : 411,439.28 = 201,413.80 : x - Step 2: Convert to fraction form
298,241.40/411,439.28 = 201,413.80/x - Step 3: Cross multiply
298,241.40x = 411,439.28 × 201,413.80 - Step 4: Simplify right side
298,241.40x = 82,869,548,854.06 - Step 5: Solve for x
x = 82,869,548,854.06/298,241.40 - Step 6: Final answer
x = 277,860.65
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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.