Finding the Fourth Proportional to 222,537.88, 307,102.46 and 121,935.88
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Solution
The fourth proportional to 222,537.88, 307,102.46 and 121,935.88 is: 168,271.62
Step by Step Solution
- Step 1: Write the proportion equation
222,537.88 : 307,102.46 = 121,935.88 : x - Step 2: Convert to fraction form
222,537.88/307,102.46 = 121,935.88/x - Step 3: Cross multiply
222,537.88x = 307,102.46 × 121,935.88 - Step 4: Simplify right side
222,537.88x = 37,446,808,710.26 - Step 5: Solve for x
x = 37,446,808,710.26/222,537.88 - Step 6: Final answer
x = 168,271.62
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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.