Finding the Fourth Proportional to 352,194.40, 528,097.20 and 115,415.20
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Solution
The fourth proportional to 352,194.40, 528,097.20 and 115,415.20 is: 173,059.09
Step by Step Solution
- Step 1: Write the proportion equation
352,194.40 : 528,097.20 = 115,415.20 : x - Step 2: Convert to fraction form
352,194.40/528,097.20 = 115,415.20/x - Step 3: Cross multiply
352,194.40x = 528,097.20 × 115,415.20 - Step 4: Simplify right side
352,194.40x = 60,950,443,957.44 - Step 5: Solve for x
x = 60,950,443,957.44/352,194.40 - Step 6: Final answer
x = 173,059.09
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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.