Finding the Fourth Proportional to 318,106.50, 438,998.49 and 182,164.74
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Solution
The fourth proportional to 318,106.50, 438,998.49 and 182,164.74 is: 251,393.94
Step by Step Solution
- Step 1: Write the proportion equation
318,106.50 : 438,998.49 = 182,164.74 : x - Step 2: Convert to fraction form
318,106.50/438,998.49 = 182,164.74/x - Step 3: Cross multiply
318,106.50x = 438,998.49 × 182,164.74 - Step 4: Simplify right side
318,106.50x = 79,970,045,791.24 - Step 5: Solve for x
x = 79,970,045,791.24/318,106.50 - Step 6: Final answer
x = 251,393.94
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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.