Finding the Fourth Proportional to 355,609.82, 490,750.09 and 202,644.74
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Solution
The fourth proportional to 355,609.82, 490,750.09 and 202,644.74 is: 279,654.61
Step by Step Solution
- Step 1: Write the proportion equation
355,609.82 : 490,750.09 = 202,644.74 : x - Step 2: Convert to fraction form
355,609.82/490,750.09 = 202,644.74/x - Step 3: Cross multiply
355,609.82x = 490,750.09 × 202,644.74 - Step 4: Simplify right side
355,609.82x = 99,447,924,393.03 - Step 5: Solve for x
x = 99,447,924,393.03/355,609.82 - Step 6: Final answer
x = 279,654.61
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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.