Finding the Fourth Proportional to 197,706.30, 272,839.76 and 121,267.63
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Solution
The fourth proportional to 197,706.30, 272,839.76 and 121,267.63 is: 167,352.44
Step by Step Solution
- Step 1: Write the proportion equation
197,706.30 : 272,839.76 = 121,267.63 : x - Step 2: Convert to fraction form
197,706.30/272,839.76 = 121,267.63/x - Step 3: Cross multiply
197,706.30x = 272,839.76 × 121,267.63 - Step 4: Simplify right side
197,706.30x = 33,086,631,064.97 - Step 5: Solve for x
x = 33,086,631,064.97/197,706.30 - Step 6: Final answer
x = 167,352.44
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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.