Finding the Fourth Proportional to 149,525.39, 206,349.99 and 81,546.07
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Solution
The fourth proportional to 149,525.39, 206,349.99 and 81,546.07 is: 112,536.28
Step by Step Solution
- Step 1: Write the proportion equation
149,525.39 : 206,349.99 = 81,546.07 : x - Step 2: Convert to fraction form
149,525.39/206,349.99 = 81,546.07/x - Step 3: Cross multiply
149,525.39x = 206,349.99 × 81,546.07 - Step 4: Simplify right side
149,525.39x = 16,827,030,729.04 - Step 5: Solve for x
x = 16,827,030,729.04/149,525.39 - Step 6: Final answer
x = 112,536.28
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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.