Finding the Fourth Proportional to 267,236.74, 368,782.16 and 144,728.09
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Solution
The fourth proportional to 267,236.74, 368,782.16 and 144,728.09 is: 199,722.30
Step by Step Solution
- Step 1: Write the proportion equation
267,236.74 : 368,782.16 = 144,728.09 : x - Step 2: Convert to fraction form
267,236.74/368,782.16 = 144,728.09/x - Step 3: Cross multiply
267,236.74x = 368,782.16 × 144,728.09 - Step 4: Simplify right side
267,236.74x = 53,373,137,642.87 - Step 5: Solve for x
x = 53,373,137,642.87/267,236.74 - Step 6: Final answer
x = 199,722.30
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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.