Finding the Fourth Proportional to 107,403.10, 161,042.90 and 44,266.80
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Solution
The fourth proportional to 107,403.10, 161,042.90 and 44,266.80 is: 66,374.75
Step by Step Solution
- Step 1: Write the proportion equation
107,403.10 : 161,042.90 = 44,266.80 : x - Step 2: Convert to fraction form
107,403.10/161,042.90 = 44,266.80/x - Step 3: Cross multiply
107,403.10x = 161,042.90 × 44,266.80 - Step 4: Simplify right side
107,403.10x = 7,128,853,845.72 - Step 5: Solve for x
x = 7,128,853,845.72/107,403.10 - Step 6: Final answer
x = 66,374.75
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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.