Finding the Fourth Proportional to 314,912.93, 434,535.99 and 185,856.80
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Solution
The fourth proportional to 314,912.93, 434,535.99 and 185,856.80 is: 256,456.50
Step by Step Solution
- Step 1: Write the proportion equation
314,912.93 : 434,535.99 = 185,856.80 : x - Step 2: Convert to fraction form
314,912.93/434,535.99 = 185,856.80/x - Step 3: Cross multiply
314,912.93x = 434,535.99 × 185,856.80 - Step 4: Simplify right side
314,912.93x = 80,761,466,413.55 - Step 5: Solve for x
x = 80,761,466,413.55/314,912.93 - Step 6: Final answer
x = 256,456.50
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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.