Finding the Fourth Proportional to 212,485.75, 318,763.24 and 62,741.18
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Solution
The fourth proportional to 212,485.75, 318,763.24 and 62,741.18 is: 94,121.99
Step by Step Solution
- Step 1: Write the proportion equation
212,485.75 : 318,763.24 = 62,741.18 : x - Step 2: Convert to fraction form
212,485.75/318,763.24 = 62,741.18/x - Step 3: Cross multiply
212,485.75x = 318,763.24 × 62,741.18 - Step 4: Simplify right side
212,485.75x = 19,999,582,458.28 - Step 5: Solve for x
x = 19,999,582,458.28/212,485.75 - Step 6: Final answer
x = 94,121.99
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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.