Finding the Fourth Proportional to 375,021.99, 517,531.70 and 202,939.93
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Solution
The fourth proportional to 375,021.99, 517,531.70 and 202,939.93 is: 280,057.84
Step by Step Solution
- Step 1: Write the proportion equation
375,021.99 : 517,531.70 = 202,939.93 : x - Step 2: Convert to fraction form
375,021.99/517,531.70 = 202,939.93/x - Step 3: Cross multiply
375,021.99x = 517,531.70 × 202,939.93 - Step 4: Simplify right side
375,021.99x = 105,027,848,771.96 - Step 5: Solve for x
x = 105,027,848,771.96/375,021.99 - Step 6: Final answer
x = 280,057.84
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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.