Finding the Fourth Proportional to 226,361.04, 312,396.84 and 145,955.94
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Solution
The fourth proportional to 226,361.04, 312,396.84 and 145,955.94 is: 201,431.19
Step by Step Solution
- Step 1: Write the proportion equation
226,361.04 : 312,396.84 = 145,955.94 : x - Step 2: Convert to fraction form
226,361.04/312,396.84 = 145,955.94/x - Step 3: Cross multiply
226,361.04x = 312,396.84 × 145,955.94 - Step 4: Simplify right side
226,361.04x = 45,596,174,435.23 - Step 5: Solve for x
x = 45,596,174,435.23/226,361.04 - Step 6: Final answer
x = 201,431.19
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1.5x scale
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.