Finding the Fourth Proportional to 222,539.63, 307,104.68 and 121,935.47
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Solution
The fourth proportional to 222,539.63, 307,104.68 and 121,935.47 is: 168,270.94
Step by Step Solution
- Step 1: Write the proportion equation
222,539.63 : 307,104.68 = 121,935.47 : x - Step 2: Convert to fraction form
222,539.63/307,104.68 = 121,935.47/x - Step 3: Cross multiply
222,539.63x = 307,104.68 × 121,935.47 - Step 4: Simplify right side
222,539.63x = 37,446,952,264.31 - Step 5: Solve for x
x = 37,446,952,264.31/222,539.63 - Step 6: Final answer
x = 168,270.94
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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.