Finding the Fourth Proportional to 250,149.14, 345,202.38 and 136,971.88
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Solution
The fourth proportional to 250,149.14, 345,202.38 and 136,971.88 is: 189,019.31
Step by Step Solution
- Step 1: Write the proportion equation
250,149.14 : 345,202.38 = 136,971.88 : x - Step 2: Convert to fraction form
250,149.14/345,202.38 = 136,971.88/x - Step 3: Cross multiply
250,149.14x = 345,202.38 × 136,971.88 - Step 4: Simplify right side
250,149.14x = 47,283,018,969.07 - Step 5: Solve for x
x = 47,283,018,969.07/250,149.14 - Step 6: Final answer
x = 189,019.31
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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.