Finding the Fourth Proportional to 213,415.18, 294,643.61 and 203,173.44
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Solution
The fourth proportional to 213,415.18, 294,643.61 and 203,173.44 is: 280,503.73
Step by Step Solution
- Step 1: Write the proportion equation
213,415.18 : 294,643.61 = 203,173.44 : x - Step 2: Convert to fraction form
213,415.18/294,643.61 = 203,173.44/x - Step 3: Cross multiply
213,415.18x = 294,643.61 × 203,173.44 - Step 4: Simplify right side
213,415.18x = 59,863,754,858.96 - Step 5: Solve for x
x = 59,863,754,858.96/213,415.18 - Step 6: Final answer
x = 280,503.73
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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.