Finding the Fourth Proportional to 210,845.48, 290,961.77 and 115,352.96
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Solution
The fourth proportional to 210,845.48, 290,961.77 and 115,352.96 is: 159,184.36
Step by Step Solution
- Step 1: Write the proportion equation
210,845.48 : 290,961.77 = 115,352.96 : x - Step 2: Convert to fraction form
210,845.48/290,961.77 = 115,352.96/x - Step 3: Cross multiply
210,845.48x = 290,961.77 × 115,352.96 - Step 4: Simplify right side
210,845.48x = 33,563,302,432.13 - Step 5: Solve for x
x = 33,563,302,432.13/210,845.48 - Step 6: Final answer
x = 159,184.36
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.