Finding the Fourth Proportional to 373,457.30, 515,377.20 and 203,691.42
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Solution
The fourth proportional to 373,457.30, 515,377.20 and 203,691.42 is: 281,097.50
Step by Step Solution
- Step 1: Write the proportion equation
373,457.30 : 515,377.20 = 203,691.42 : x - Step 2: Convert to fraction form
373,457.30/515,377.20 = 203,691.42/x - Step 3: Cross multiply
373,457.30x = 515,377.20 × 203,691.42 - Step 4: Simplify right side
373,457.30x = 104,977,913,703.62 - Step 5: Solve for x
x = 104,977,913,703.62/373,457.30 - Step 6: Final answer
x = 281,097.50
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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.