Finding the Fourth Proportional to 373,380.08, 515,113.97 and 216,112.53
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Solution
The fourth proportional to 373,380.08, 515,113.97 and 216,112.53 is: 298,148.16
Step by Step Solution
- Step 1: Write the proportion equation
373,380.08 : 515,113.97 = 216,112.53 : x - Step 2: Convert to fraction form
373,380.08/515,113.97 = 216,112.53/x - Step 3: Cross multiply
373,380.08x = 515,113.97 × 216,112.53 - Step 4: Simplify right side
373,380.08x = 111,322,582,214.48 - Step 5: Solve for x
x = 111,322,582,214.48/373,380.08 - Step 6: Final answer
x = 298,148.16
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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.