Finding the Fourth Proportional to 161,724.48, 242,585.10 and 115,272.60
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Solution
The fourth proportional to 161,724.48, 242,585.10 and 115,272.60 is: 172,907.75
Step by Step Solution
- Step 1: Write the proportion equation
161,724.48 : 242,585.10 = 115,272.60 : x - Step 2: Convert to fraction form
161,724.48/242,585.10 = 115,272.60/x - Step 3: Cross multiply
161,724.48x = 242,585.10 × 115,272.60 - Step 4: Simplify right side
161,724.48x = 27,963,415,198.26 - Step 5: Solve for x
x = 27,963,415,198.26/161,724.48 - Step 6: Final answer
x = 172,907.75
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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.