Finding the Fourth Proportional to 179,662.05, 247,776.17 and 143,838.99
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Solution
The fourth proportional to 179,662.05, 247,776.17 and 143,838.99 is: 198,371.74
Step by Step Solution
- Step 1: Write the proportion equation
179,662.05 : 247,776.17 = 143,838.99 : x - Step 2: Convert to fraction form
179,662.05/247,776.17 = 143,838.99/x - Step 3: Cross multiply
179,662.05x = 247,776.17 × 143,838.99 - Step 4: Simplify right side
179,662.05x = 35,639,873,319.67 - Step 5: Solve for x
x = 35,639,873,319.67/179,662.05 - Step 6: Final answer
x = 198,371.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.