Finding the Fourth Proportional to 197,304.83, 272,354.70 and 129,326.18
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Solution
The fourth proportional to 197,304.83, 272,354.70 and 129,326.18 is: 178,518.66
Step by Step Solution
- Step 1: Write the proportion equation
197,304.83 : 272,354.70 = 129,326.18 : x - Step 2: Convert to fraction form
197,304.83/272,354.70 = 129,326.18/x - Step 3: Cross multiply
197,304.83x = 272,354.70 × 129,326.18 - Step 4: Simplify right side
197,304.83x = 35,222,593,100.58 - Step 5: Solve for x
x = 35,222,593,100.58/197,304.83 - Step 6: Final answer
x = 178,518.66
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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.