Finding the Fourth Proportional to 246,989.76, 340,852.62 and 139,557.66
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Solution
The fourth proportional to 246,989.76, 340,852.62 and 139,557.66 is: 192,593.39
Step by Step Solution
- Step 1: Write the proportion equation
246,989.76 : 340,852.62 = 139,557.66 : x - Step 2: Convert to fraction form
246,989.76/340,852.62 = 139,557.66/x - Step 3: Cross multiply
246,989.76x = 340,852.62 × 139,557.66 - Step 4: Simplify right side
246,989.76x = 47,568,594,052.07 - Step 5: Solve for x
x = 47,568,594,052.07/246,989.76 - Step 6: Final answer
x = 192,593.39
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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.