Finding the Fourth Proportional to 221,959.63, 306,304.29 and 121,357.63
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Solution
The fourth proportional to 221,959.63, 306,304.29 and 121,357.63 is: 167,473.52
Step by Step Solution
- Step 1: Write the proportion equation
221,959.63 : 306,304.29 = 121,357.63 : x - Step 2: Convert to fraction form
221,959.63/306,304.29 = 121,357.63/x - Step 3: Cross multiply
221,959.63x = 306,304.29 × 121,357.63 - Step 4: Simplify right side
221,959.63x = 37,172,360,554.92 - Step 5: Solve for x
x = 37,172,360,554.92/221,959.63 - Step 6: Final answer
x = 167,473.52
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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.