Finding the Fourth Proportional to 150,028.09, 206,975.97 and 98,357.59
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Solution
The fourth proportional to 150,028.09, 206,975.97 and 98,357.59 is: 135,692.31
Step by Step Solution
- Step 1: Write the proportion equation
150,028.09 : 206,975.97 = 98,357.59 : x - Step 2: Convert to fraction form
150,028.09/206,975.97 = 98,357.59/x - Step 3: Cross multiply
150,028.09x = 206,975.97 × 98,357.59 - Step 4: Simplify right side
150,028.09x = 20,357,657,371.73 - Step 5: Solve for x
x = 20,357,657,371.73/150,028.09 - Step 6: Final answer
x = 135,692.31
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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.