Finding the Fourth Proportional to 197,555.96, 272,625.14 and 106,909.96
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Solution
The fourth proportional to 197,555.96, 272,625.14 and 106,909.96 is: 147,534.62
Step by Step Solution
- Step 1: Write the proportion equation
197,555.96 : 272,625.14 = 106,909.96 : x - Step 2: Convert to fraction form
197,555.96/272,625.14 = 106,909.96/x - Step 3: Cross multiply
197,555.96x = 272,625.14 × 106,909.96 - Step 4: Simplify right side
197,555.96x = 29,146,342,812.39 - Step 5: Solve for x
x = 29,146,342,812.39/197,555.96 - Step 6: Final answer
x = 147,534.62
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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.