Finding the Fourth Proportional to 236,361.66, 326,181.17 and 128,932.17
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Solution
The fourth proportional to 236,361.66, 326,181.17 and 128,932.17 is: 177,927.53
Step by Step Solution
- Step 1: Write the proportion equation
236,361.66 : 326,181.17 = 128,932.17 : x - Step 2: Convert to fraction form
236,361.66/326,181.17 = 128,932.17/x - Step 3: Cross multiply
236,361.66x = 326,181.17 × 128,932.17 - Step 4: Simplify right side
236,361.66x = 42,055,246,061.24 - Step 5: Solve for x
x = 42,055,246,061.24/236,361.66 - Step 6: Final answer
x = 177,927.53
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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.