Finding the Fourth Proportional to 234,317.87, 351,459.26 and 84,558.15
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Solution
The fourth proportional to 234,317.87, 351,459.26 and 84,558.15 is: 126,830.89
Step by Step Solution
- Step 1: Write the proportion equation
234,317.87 : 351,459.26 = 84,558.15 : x - Step 2: Convert to fraction form
234,317.87/351,459.26 = 84,558.15/x - Step 3: Cross multiply
234,317.87x = 351,459.26 × 84,558.15 - Step 4: Simplify right side
234,317.87x = 29,718,744,825.97 - Step 5: Solve for x
x = 29,718,744,825.97/234,317.87 - Step 6: Final answer
x = 126,830.89
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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.