Finding the Fourth Proportional to 197,639.68, 296,420.10 and 71,276.44
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Solution
The fourth proportional to 197,639.68, 296,420.10 and 71,276.44 is: 106,900.44
Step by Step Solution
- Step 1: Write the proportion equation
197,639.68 : 296,420.10 = 71,276.44 : x - Step 2: Convert to fraction form
197,639.68/296,420.10 = 71,276.44/x - Step 3: Cross multiply
197,639.68x = 296,420.10 × 71,276.44 - Step 4: Simplify right side
197,639.68x = 21,127,769,472.44 - Step 5: Solve for x
x = 21,127,769,472.44/197,639.68 - Step 6: Final answer
x = 106,900.44
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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.