Finding the Fourth Proportional to 99,705.06, 149,557.65 and 29,583.75
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Solution
The fourth proportional to 99,705.06, 149,557.65 and 29,583.75 is: 44,375.64
Step by Step Solution
- Step 1: Write the proportion equation
99,705.06 : 149,557.65 = 29,583.75 : x - Step 2: Convert to fraction form
99,705.06/149,557.65 = 29,583.75/x - Step 3: Cross multiply
99,705.06x = 149,557.65 × 29,583.75 - Step 4: Simplify right side
99,705.06x = 4,424,476,128.19 - Step 5: Solve for x
x = 4,424,476,128.19/99,705.06 - Step 6: Final answer
x = 44,375.64
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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.