Finding the Fourth Proportional to 354,042.69, 488,592.18 and 201,072.99
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Solution
The fourth proportional to 354,042.69, 488,592.18 and 201,072.99 is: 277,488.26
Step by Step Solution
- Step 1: Write the proportion equation
354,042.69 : 488,592.18 = 201,072.99 : x - Step 2: Convert to fraction form
354,042.69/488,592.18 = 201,072.99/x - Step 3: Cross multiply
354,042.69x = 488,592.18 × 201,072.99 - Step 4: Simplify right side
354,042.69x = 98,242,690,523.22 - Step 5: Solve for x
x = 98,242,690,523.22/354,042.69 - Step 6: Final answer
x = 277,488.26
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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.