Finding the Fourth Proportional to 197,996.80, 296,997.68 and 130,957.96
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Solution
The fourth proportional to 197,996.80, 296,997.68 and 130,957.96 is: 196,438.58
Step by Step Solution
- Step 1: Write the proportion equation
197,996.80 : 296,997.68 = 130,957.96 : x - Step 2: Convert to fraction form
197,996.80/296,997.68 = 130,957.96/x - Step 3: Cross multiply
197,996.80x = 296,997.68 × 130,957.96 - Step 4: Simplify right side
197,996.80x = 38,894,210,297.53 - Step 5: Solve for x
x = 38,894,210,297.53/197,996.80 - Step 6: Final answer
x = 196,438.58
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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.