Finding the Fourth Proportional to 197,680.42, 296,518.20 and 79,349.68
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Solution
The fourth proportional to 197,680.42, 296,518.20 and 79,349.68 is: 119,023.54
Step by Step Solution
- Step 1: Write the proportion equation
197,680.42 : 296,518.20 = 79,349.68 : x - Step 2: Convert to fraction form
197,680.42/296,518.20 = 79,349.68/x - Step 3: Cross multiply
197,680.42x = 296,518.20 × 79,349.68 - Step 4: Simplify right side
197,680.42x = 23,528,624,284.18 - Step 5: Solve for x
x = 23,528,624,284.18/197,680.42 - Step 6: Final answer
x = 119,023.54
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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.