Finding the Fourth Proportional to 108,192.28, 149,302.60 and 60,445.99
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Solution
The fourth proportional to 108,192.28, 149,302.60 and 60,445.99 is: 83,413.93
Step by Step Solution
- Step 1: Write the proportion equation
108,192.28 : 149,302.60 = 60,445.99 : x - Step 2: Convert to fraction form
108,192.28/149,302.60 = 60,445.99/x - Step 3: Cross multiply
108,192.28x = 149,302.60 × 60,445.99 - Step 4: Simplify right side
108,192.28x = 9,024,742,942.20 - Step 5: Solve for x
x = 9,024,742,942.20/108,192.28 - Step 6: Final answer
x = 83,413.93
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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.