Finding the Fourth Proportional to 373,654.18, 515,655.21 and 203,897.62
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Solution
The fourth proportional to 373,654.18, 515,655.21 and 203,897.62 is: 281,385.50
Step by Step Solution
- Step 1: Write the proportion equation
373,654.18 : 515,655.21 = 203,897.62 : x - Step 2: Convert to fraction form
373,654.18/515,655.21 = 203,897.62/x - Step 3: Cross multiply
373,654.18x = 515,655.21 × 203,897.62 - Step 4: Simplify right side
373,654.18x = 105,140,870,059.60 - Step 5: Solve for x
x = 105,140,870,059.60/373,654.18 - Step 6: Final answer
x = 281,385.50
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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.