Finding the Fourth Proportional to 197,816.92, 296,368.62 and 121,783.14
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Solution
The fourth proportional to 197,816.92, 296,368.62 and 121,783.14 is: 182,455.08
Step by Step Solution
- Step 1: Write the proportion equation
197,816.92 : 296,368.62 = 121,783.14 : x - Step 2: Convert to fraction form
197,816.92/296,368.62 = 121,783.14/x - Step 3: Cross multiply
197,816.92x = 296,368.62 × 121,783.14 - Step 4: Simplify right side
197,816.92x = 36,092,701,141.07 - Step 5: Solve for x
x = 36,092,701,141.07/197,816.92 - Step 6: Final answer
x = 182,455.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.