Finding the Fourth Proportional to 222,114.84, 306,525.86 and 121,512.84
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Solution
The fourth proportional to 222,114.84, 306,525.86 and 121,512.84 is: 167,691.76
Step by Step Solution
- Step 1: Write the proportion equation
222,114.84 : 306,525.86 = 121,512.84 : x - Step 2: Convert to fraction form
222,114.84/306,525.86 = 121,512.84/x - Step 3: Cross multiply
222,114.84x = 306,525.86 × 121,512.84 - Step 4: Simplify right side
222,114.84x = 37,246,827,782.04 - Step 5: Solve for x
x = 37,246,827,782.04/222,114.84 - Step 6: Final answer
x = 167,691.76
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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.