Finding the Fourth Proportional to 373,475.68, 515,408.96 and 203,719.20
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Solution
The fourth proportional to 373,475.68, 515,408.96 and 203,719.20 is: 281,139.33
Step by Step Solution
- Step 1: Write the proportion equation
373,475.68 : 515,408.96 = 203,719.20 : x - Step 2: Convert to fraction form
373,475.68/515,408.96 = 203,719.20/x - Step 3: Cross multiply
373,475.68x = 515,408.96 × 203,719.20 - Step 4: Simplify right side
373,475.68x = 104,998,701,004.03 - Step 5: Solve for x
x = 104,998,701,004.03/373,475.68 - Step 6: Final answer
x = 281,139.33
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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.