Finding the Fourth Proportional to 212,465.87, 293,197.21 and 116,973.28
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Solution
The fourth proportional to 212,465.87, 293,197.21 and 116,973.28 is: 161,419.99
Step by Step Solution
- Step 1: Write the proportion equation
212,465.87 : 293,197.21 = 116,973.28 : x - Step 2: Convert to fraction form
212,465.87/293,197.21 = 116,973.28/x - Step 3: Cross multiply
212,465.87x = 293,197.21 × 116,973.28 - Step 4: Simplify right side
212,465.87x = 34,296,239,340.55 - Step 5: Solve for x
x = 34,296,239,340.55/212,465.87 - Step 6: Final answer
x = 161,419.99
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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.