Finding the Fourth Proportional to 222,672.54, 307,281.75 and 127,177.26
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Solution
The fourth proportional to 222,672.54, 307,281.75 and 127,177.26 is: 175,500.99
Step by Step Solution
- Step 1: Write the proportion equation
222,672.54 : 307,281.75 = 127,177.26 : x - Step 2: Convert to fraction form
222,672.54/307,281.75 = 127,177.26/x - Step 3: Cross multiply
222,672.54x = 307,281.75 × 127,177.26 - Step 4: Simplify right side
222,672.54x = 39,079,251,013.01 - Step 5: Solve for x
x = 39,079,251,013.01/222,672.54 - Step 6: Final answer
x = 175,500.99
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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.