Finding the Fourth Proportional to 537,608.80, 806,413.20 and 221,903.20
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Solution
The fourth proportional to 537,608.80, 806,413.20 and 221,903.20 is: 332,854.80
Step by Step Solution
- Step 1: Write the proportion equation
537,608.80 : 806,413.20 = 221,903.20 : x - Step 2: Convert to fraction form
537,608.80/806,413.20 = 221,903.20/x - Step 3: Cross multiply
537,608.80x = 806,413.20 × 221,903.20 - Step 4: Simplify right side
537,608.80x = 178,945,669,602.24 - Step 5: Solve for x
x = 178,945,669,602.24/537,608.80 - Step 6: Final answer
x = 332,854.80
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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.