Finding the Fourth Proportional to 212,518.44, 293,277.36 and 117,025.52
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Solution
The fourth proportional to 212,518.44, 293,277.36 and 117,025.52 is: 161,496.27
Step by Step Solution
- Step 1: Write the proportion equation
212,518.44 : 293,277.36 = 117,025.52 : x - Step 2: Convert to fraction form
212,518.44/293,277.36 = 117,025.52/x - Step 3: Cross multiply
212,518.44x = 293,277.36 × 117,025.52 - Step 4: Simplify right side
212,518.44x = 34,320,935,558.23 - Step 5: Solve for x
x = 34,320,935,558.23/212,518.44 - Step 6: Final answer
x = 161,496.27
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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.