Finding the Fourth Proportional to 197,585.62, 272,670.33 and 112,707.70
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Solution
The fourth proportional to 197,585.62, 272,670.33 and 112,707.70 is: 155,537.87
Step by Step Solution
- Step 1: Write the proportion equation
197,585.62 : 272,670.33 = 112,707.70 : x - Step 2: Convert to fraction form
197,585.62/272,670.33 = 112,707.70/x - Step 3: Cross multiply
197,585.62x = 272,670.33 × 112,707.70 - Step 4: Simplify right side
197,585.62x = 30,732,045,752.54 - Step 5: Solve for x
x = 30,732,045,752.54/197,585.62 - Step 6: Final answer
x = 155,537.87
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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.