Finding the Fourth Proportional to 118,577.20, 177,990.99 and 115,899.88
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Solution
The fourth proportional to 118,577.20, 177,990.99 and 115,899.88 is: 173,972.18
Step by Step Solution
- Step 1: Write the proportion equation
118,577.20 : 177,990.99 = 115,899.88 : x - Step 2: Convert to fraction form
118,577.20/177,990.99 = 115,899.88/x - Step 3: Cross multiply
118,577.20x = 177,990.99 × 115,899.88 - Step 4: Simplify right side
118,577.20x = 20,629,134,382.08 - Step 5: Solve for x
x = 20,629,134,382.08/118,577.20 - Step 6: Final answer
x = 173,972.18
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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.