Finding the Fourth Proportional to 202,464.48, 279,388.64 and 121,918.08
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Solution
The fourth proportional to 202,464.48, 279,388.64 and 121,918.08 is: 168,239.52
Step by Step Solution
- Step 1: Write the proportion equation
202,464.48 : 279,388.64 = 121,918.08 : x - Step 2: Convert to fraction form
202,464.48/279,388.64 = 121,918.08/x - Step 3: Cross multiply
202,464.48x = 279,388.64 × 121,918.08 - Step 4: Simplify right side
202,464.48x = 34,062,526,562.61 - Step 5: Solve for x
x = 34,062,526,562.61/202,464.48 - Step 6: Final answer
x = 168,239.52
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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.