Finding the Fourth Proportional to 234,135.29, 351,212.75 and 74,207.73
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Solution
The fourth proportional to 234,135.29, 351,212.75 and 74,207.73 is: 111,314.71
Step by Step Solution
- Step 1: Write the proportion equation
234,135.29 : 351,212.75 = 74,207.73 : x - Step 2: Convert to fraction form
234,135.29/351,212.75 = 74,207.73/x - Step 3: Cross multiply
234,135.29x = 351,212.75 × 74,207.73 - Step 4: Simplify right side
234,135.29x = 26,062,702,148.85 - Step 5: Solve for x
x = 26,062,702,148.85/234,135.29 - Step 6: Final answer
x = 111,314.71
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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.