Finding the Fourth Proportional to 222,395.40, 306,889.68 and 125,569.42
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Solution
The fourth proportional to 222,395.40, 306,889.68 and 125,569.42 is: 173,276.78
Step by Step Solution
- Step 1: Write the proportion equation
222,395.40 : 306,889.68 = 125,569.42 : x - Step 2: Convert to fraction form
222,395.40/306,889.68 = 125,569.42/x - Step 3: Cross multiply
222,395.40x = 306,889.68 × 125,569.42 - Step 4: Simplify right side
222,395.40x = 38,535,959,121.59 - Step 5: Solve for x
x = 38,535,959,121.59/222,395.40 - Step 6: Final answer
x = 173,276.78
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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.