Finding the Fourth Proportional to 181,906.66, 272,860.01 and 69,621.32
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Solution
The fourth proportional to 181,906.66, 272,860.01 and 69,621.32 is: 104,431.99
Step by Step Solution
- Step 1: Write the proportion equation
181,906.66 : 272,860.01 = 69,621.32 : x - Step 2: Convert to fraction form
181,906.66/272,860.01 = 69,621.32/x - Step 3: Cross multiply
181,906.66x = 272,860.01 × 69,621.32 - Step 4: Simplify right side
181,906.66x = 18,996,874,666.54 - Step 5: Solve for x
x = 18,996,874,666.54/181,906.66 - Step 6: Final answer
x = 104,431.99
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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.