Finding the Fourth Proportional to 222,459.68, 307,133.88 and 171,376.28
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Solution
The fourth proportional to 222,459.68, 307,133.88 and 171,376.28 is: 236,606.75
Step by Step Solution
- Step 1: Write the proportion equation
222,459.68 : 307,133.88 = 171,376.28 : x - Step 2: Convert to fraction form
222,459.68/307,133.88 = 171,376.28/x - Step 3: Cross multiply
222,459.68x = 307,133.88 × 171,376.28 - Step 4: Simplify right side
222,459.68x = 52,635,461,816.37 - Step 5: Solve for x
x = 52,635,461,816.37/222,459.68 - Step 6: Final answer
x = 236,606.75
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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.