Finding the Fourth Proportional to 75,699.22, 113,548.80 and 40,153.18
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Solution
The fourth proportional to 75,699.22, 113,548.80 and 40,153.18 is: 60,229.75
Step by Step Solution
- Step 1: Write the proportion equation
75,699.22 : 113,548.80 = 40,153.18 : x - Step 2: Convert to fraction form
75,699.22/113,548.80 = 40,153.18/x - Step 3: Cross multiply
75,699.22x = 113,548.80 × 40,153.18 - Step 4: Simplify right side
75,699.22x = 4,559,345,405.18 - Step 5: Solve for x
x = 4,559,345,405.18/75,699.22 - Step 6: Final answer
x = 60,229.75
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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.