Finding the Fourth Proportional to 207,224.77, 310,837.16 and 137,087.68
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Solution
The fourth proportional to 207,224.77, 310,837.16 and 137,087.68 is: 205,631.52
Step by Step Solution
- Step 1: Write the proportion equation
207,224.77 : 310,837.16 = 137,087.68 : x - Step 2: Convert to fraction form
207,224.77/310,837.16 = 137,087.68/x - Step 3: Cross multiply
207,224.77x = 310,837.16 × 137,087.68 - Step 4: Simplify right side
207,224.77x = 42,611,945,122.19 - Step 5: Solve for x
x = 42,611,945,122.19/207,224.77 - Step 6: Final answer
x = 205,631.52
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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.