Finding the Fourth Proportional to 213,454.44, 294,578.52 and 122,824.20
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Solution
The fourth proportional to 213,454.44, 294,578.52 and 122,824.20 is: 169,503.95
Step by Step Solution
- Step 1: Write the proportion equation
213,454.44 : 294,578.52 = 122,824.20 : x - Step 2: Convert to fraction form
213,454.44/294,578.52 = 122,824.20/x - Step 3: Cross multiply
213,454.44x = 294,578.52 × 122,824.20 - Step 4: Simplify right side
213,454.44x = 36,181,371,056.18 - Step 5: Solve for x
x = 36,181,371,056.18/213,454.44 - Step 6: Final answer
x = 169,503.95
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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.