Finding the Fourth Proportional to 197,472.96, 296,022.60 and 121,618.08
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Solution
The fourth proportional to 197,472.96, 296,022.60 and 121,618.08 is: 182,312.05
Step by Step Solution
- Step 1: Write the proportion equation
197,472.96 : 296,022.60 = 121,618.08 : x - Step 2: Convert to fraction form
197,472.96/296,022.60 = 121,618.08/x - Step 3: Cross multiply
197,472.96x = 296,022.60 × 121,618.08 - Step 4: Simplify right side
197,472.96x = 36,001,700,248.61 - Step 5: Solve for x
x = 36,001,700,248.61/197,472.96 - Step 6: Final answer
x = 182,312.05
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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.