Finding the Fourth Proportional to 252,839.10, 348,902.54 and 138,094.50
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Solution
The fourth proportional to 252,839.10, 348,902.54 and 138,094.50 is: 190,561.99
Step by Step Solution
- Step 1: Write the proportion equation
252,839.10 : 348,902.54 = 138,094.50 : x - Step 2: Convert to fraction form
252,839.10/348,902.54 = 138,094.50/x - Step 3: Cross multiply
252,839.10x = 348,902.54 × 138,094.50 - Step 4: Simplify right side
252,839.10x = 48,181,522,945.80 - Step 5: Solve for x
x = 48,181,522,945.80/252,839.10 - Step 6: Final answer
x = 190,561.99
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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.