Finding the Fourth Proportional to 148,770.41, 205,301.99 and 80,786.09
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Solution
The fourth proportional to 148,770.41, 205,301.99 and 80,786.09 is: 111,484.17
Step by Step Solution
- Step 1: Write the proportion equation
148,770.41 : 205,301.99 = 80,786.09 : x - Step 2: Convert to fraction form
148,770.41/205,301.99 = 80,786.09/x - Step 3: Cross multiply
148,770.41x = 205,301.99 × 80,786.09 - Step 4: Simplify right side
148,770.41x = 16,585,545,756.54 - Step 5: Solve for x
x = 16,585,545,756.54/148,770.41 - Step 6: Final answer
x = 111,484.17
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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.