Finding the Fourth Proportional to 228,597.49, 315,434.64 and 131,804.99
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Solution
The fourth proportional to 228,597.49, 315,434.64 and 131,804.99 is: 181,873.64
Step by Step Solution
- Step 1: Write the proportion equation
228,597.49 : 315,434.64 = 131,804.99 : x - Step 2: Convert to fraction form
228,597.49/315,434.64 = 131,804.99/x - Step 3: Cross multiply
228,597.49x = 315,434.64 × 131,804.99 - Step 4: Simplify right side
228,597.49x = 41,575,857,334.66 - Step 5: Solve for x
x = 41,575,857,334.66/228,597.49 - Step 6: Final answer
x = 181,873.64
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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.