Finding the Fourth Proportional to 373,658.68, 515,644.14 and 203,889.88
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Solution
The fourth proportional to 373,658.68, 515,644.14 and 203,889.88 is: 281,365.39
Step by Step Solution
- Step 1: Write the proportion equation
373,658.68 : 515,644.14 = 203,889.88 : x - Step 2: Convert to fraction form
373,658.68/515,644.14 = 203,889.88/x - Step 3: Cross multiply
373,658.68x = 515,644.14 × 203,889.88 - Step 4: Simplify right side
373,658.68x = 105,134,621,827.30 - Step 5: Solve for x
x = 105,134,621,827.30/373,658.68 - Step 6: Final answer
x = 281,365.39
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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.