Finding the Fourth Proportional to 197,306.53, 272,282.64 and 106,662.55
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Solution
The fourth proportional to 197,306.53, 272,282.64 and 106,662.55 is: 147,194.12
Step by Step Solution
- Step 1: Write the proportion equation
197,306.53 : 272,282.64 = 106,662.55 : x - Step 2: Convert to fraction form
197,306.53/272,282.64 = 106,662.55/x - Step 3: Cross multiply
197,306.53x = 272,282.64 × 106,662.55 - Step 4: Simplify right side
197,306.53x = 29,042,360,703.13 - Step 5: Solve for x
x = 29,042,360,703.13/197,306.53 - Step 6: Final answer
x = 147,194.12
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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.