Finding the Fourth Proportional to 352,436.73, 528,655.11 and 86,194.08
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Solution
The fourth proportional to 352,436.73, 528,655.11 and 86,194.08 is: 129,291.12
Step by Step Solution
- Step 1: Write the proportion equation
352,436.73 : 528,655.11 = 86,194.08 : x - Step 2: Convert to fraction form
352,436.73/528,655.11 = 86,194.08/x - Step 3: Cross multiply
352,436.73x = 528,655.11 × 86,194.08 - Step 4: Simplify right side
352,436.73x = 45,566,940,843.75 - Step 5: Solve for x
x = 45,566,940,843.75/352,436.73 - Step 6: Final answer
x = 129,291.12
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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.