Finding the Fourth Proportional to 144,354.08, 199,208.56 and 84,738.08
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Solution
The fourth proportional to 144,354.08, 199,208.56 and 84,738.08 is: 116,938.51
Step by Step Solution
- Step 1: Write the proportion equation
144,354.08 : 199,208.56 = 84,738.08 : x - Step 2: Convert to fraction form
144,354.08/199,208.56 = 84,738.08/x - Step 3: Cross multiply
144,354.08x = 199,208.56 × 84,738.08 - Step 4: Simplify right side
144,354.08x = 16,880,550,893.96 - Step 5: Solve for x
x = 16,880,550,893.96/144,354.08 - Step 6: Final answer
x = 116,938.51
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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.