Finding the Fourth Proportional to 197,665.20, 296,497.80 and 97,873.20
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Solution
The fourth proportional to 197,665.20, 296,497.80 and 97,873.20 is: 146,809.80
Step by Step Solution
- Step 1: Write the proportion equation
197,665.20 : 296,497.80 = 97,873.20 : x - Step 2: Convert to fraction form
197,665.20/296,497.80 = 97,873.20/x - Step 3: Cross multiply
197,665.20x = 296,497.80 × 97,873.20 - Step 4: Simplify right side
197,665.20x = 29,019,188,478.96 - Step 5: Solve for x
x = 29,019,188,478.96/197,665.20 - Step 6: Final answer
x = 146,809.80
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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.