Finding the Fourth Proportional to 205,766.64, 283,944.60 and 115,106.88
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Solution
The fourth proportional to 205,766.64, 283,944.60 and 115,106.88 is: 158,840.02
Step by Step Solution
- Step 1: Write the proportion equation
205,766.64 : 283,944.60 = 115,106.88 : x - Step 2: Convert to fraction form
205,766.64/283,944.60 = 115,106.88/x - Step 3: Cross multiply
205,766.64x = 283,944.60 × 115,106.88 - Step 4: Simplify right side
205,766.64x = 32,683,976,998.85 - Step 5: Solve for x
x = 32,683,976,998.85/205,766.64 - Step 6: Final answer
x = 158,840.02
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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.