Finding the Fourth Proportional to 149,698.44, 206,232.93 and 104,294.29
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Solution
The fourth proportional to 149,698.44, 206,232.93 and 104,294.29 is: 143,681.64
Step by Step Solution
- Step 1: Write the proportion equation
149,698.44 : 206,232.93 = 104,294.29 : x - Step 2: Convert to fraction form
149,698.44/206,232.93 = 104,294.29/x - Step 3: Cross multiply
149,698.44x = 206,232.93 × 104,294.29 - Step 4: Simplify right side
149,698.44x = 21,508,917,008.97 - Step 5: Solve for x
x = 21,508,917,008.97/149,698.44 - Step 6: Final answer
x = 143,681.64
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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.