Finding the Fourth Proportional to 151,275.57, 208,310.01 and 147,918.99
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Solution
The fourth proportional to 151,275.57, 208,310.01 and 147,918.99 is: 203,687.93
Step by Step Solution
- Step 1: Write the proportion equation
151,275.57 : 208,310.01 = 147,918.99 : x - Step 2: Convert to fraction form
151,275.57/208,310.01 = 147,918.99/x - Step 3: Cross multiply
151,275.57x = 208,310.01 × 147,918.99 - Step 4: Simplify right side
151,275.57x = 30,813,007,344.60 - Step 5: Solve for x
x = 30,813,007,344.60/151,275.57 - Step 6: Final answer
x = 203,687.93
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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.