Finding the Fourth Proportional to 251,902.29, 347,631.39 and 155,070.14
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Solution
The fourth proportional to 251,902.29, 347,631.39 and 155,070.14 is: 214,000.62
Step by Step Solution
- Step 1: Write the proportion equation
251,902.29 : 347,631.39 = 155,070.14 : x - Step 2: Convert to fraction form
251,902.29/347,631.39 = 155,070.14/x - Step 3: Cross multiply
251,902.29x = 347,631.39 × 155,070.14 - Step 4: Simplify right side
251,902.29x = 53,907,246,577.54 - Step 5: Solve for x
x = 53,907,246,577.54/251,902.29 - Step 6: Final answer
x = 214,000.62
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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.