Finding the Fourth Proportional to 222,351.40, 306,637.62 and 205,838.20
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Solution
The fourth proportional to 222,351.40, 306,637.62 and 205,838.20 is: 283,864.80
Step by Step Solution
- Step 1: Write the proportion equation
222,351.40 : 306,637.62 = 205,838.20 : x - Step 2: Convert to fraction form
222,351.40/306,637.62 = 205,838.20/x - Step 3: Cross multiply
222,351.40x = 306,637.62 × 205,838.20 - Step 4: Simplify right side
222,351.40x = 63,117,735,753.08 - Step 5: Solve for x
x = 63,117,735,753.08/222,351.40 - Step 6: Final answer
x = 283,864.80
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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.