Finding the Fourth Proportional to 213,110.49, 294,076.80 and 122,466.63
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Solution
The fourth proportional to 213,110.49, 294,076.80 and 122,466.63 is: 168,994.94
Step by Step Solution
- Step 1: Write the proportion equation
213,110.49 : 294,076.80 = 122,466.63 : x - Step 2: Convert to fraction form
213,110.49/294,076.80 = 122,466.63/x - Step 3: Cross multiply
213,110.49x = 294,076.80 × 122,466.63 - Step 4: Simplify right side
213,110.49x = 36,014,594,657.18 - Step 5: Solve for x
x = 36,014,594,657.18/213,110.49 - Step 6: Final answer
x = 168,994.94
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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.