Finding the Fourth Proportional to 352,068.78, 528,201.60 and 115,577.54
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Solution
The fourth proportional to 352,068.78, 528,201.60 and 115,577.54 is: 173,398.62
Step by Step Solution
- Step 1: Write the proportion equation
352,068.78 : 528,201.60 = 115,577.54 : x - Step 2: Convert to fraction form
352,068.78/528,201.60 = 115,577.54/x - Step 3: Cross multiply
352,068.78x = 528,201.60 × 115,577.54 - Step 4: Simplify right side
352,068.78x = 61,048,241,552.06 - Step 5: Solve for x
x = 61,048,241,552.06/352,068.78 - Step 6: Final answer
x = 173,398.62
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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.