Finding the Fourth Proportional to 318,006.48, 438,847.52 and 182,039.68
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Solution
The fourth proportional to 318,006.48, 438,847.52 and 182,039.68 is: 251,213.94
Step by Step Solution
- Step 1: Write the proportion equation
318,006.48 : 438,847.52 = 182,039.68 : x - Step 2: Convert to fraction form
318,006.48/438,847.52 = 182,039.68/x - Step 3: Cross multiply
318,006.48x = 438,847.52 × 182,039.68 - Step 4: Simplify right side
318,006.48x = 79,887,662,109.59 - Step 5: Solve for x
x = 79,887,662,109.59/318,006.48 - Step 6: Final answer
x = 251,213.94
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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.