Finding the Fourth Proportional to 373,640.36, 515,635.04 and 212,518.58
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Solution
The fourth proportional to 373,640.36, 515,635.04 and 212,518.58 is: 293,282.09
Step by Step Solution
- Step 1: Write the proportion equation
373,640.36 : 515,635.04 = 212,518.58 : x - Step 2: Convert to fraction form
373,640.36/515,635.04 = 212,518.58/x - Step 3: Cross multiply
373,640.36x = 515,635.04 × 212,518.58 - Step 4: Simplify right side
373,640.36x = 109,582,024,452.16 - Step 5: Solve for x
x = 109,582,024,452.16/373,640.36 - Step 6: Final answer
x = 293,282.09
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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.