Finding the Fourth Proportional to 212,202.63, 292,847.99 and 116,718.21
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Solution
The fourth proportional to 212,202.63, 292,847.99 and 116,718.21 is: 161,075.73
Step by Step Solution
- Step 1: Write the proportion equation
212,202.63 : 292,847.99 = 116,718.21 : x - Step 2: Convert to fraction form
212,202.63/292,847.99 = 116,718.21/x - Step 3: Cross multiply
212,202.63x = 292,847.99 × 116,718.21 - Step 4: Simplify right side
212,202.63x = 34,180,692,611.31 - Step 5: Solve for x
x = 34,180,692,611.31/212,202.63 - Step 6: Final answer
x = 161,075.73
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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.