Finding the Fourth Proportional to 157,079.81, 235,530.42 and 107,220.26
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Solution
The fourth proportional to 157,079.81, 235,530.42 and 107,220.26 is: 160,769.44
Step by Step Solution
- Step 1: Write the proportion equation
157,079.81 : 235,530.42 = 107,220.26 : x - Step 2: Convert to fraction form
157,079.81/235,530.42 = 107,220.26/x - Step 3: Cross multiply
157,079.81x = 235,530.42 × 107,220.26 - Step 4: Simplify right side
157,079.81x = 25,253,631,692.66 - Step 5: Solve for x
x = 25,253,631,692.66/157,079.81 - Step 6: Final answer
x = 160,769.44
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.