Finding the Fourth Proportional to 163,202.24, 225,241.47 and 91,586.49
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Solution
The fourth proportional to 163,202.24, 225,241.47 and 91,586.49 is: 126,401.92
Step by Step Solution
- Step 1: Write the proportion equation
163,202.24 : 225,241.47 = 91,586.49 : x - Step 2: Convert to fraction form
163,202.24/225,241.47 = 91,586.49/x - Step 3: Cross multiply
163,202.24x = 225,241.47 × 91,586.49 - Step 4: Simplify right side
163,202.24x = 20,629,075,639.74 - Step 5: Solve for x
x = 20,629,075,639.74/163,202.24 - Step 6: Final answer
x = 126,401.92
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1.5x scale
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.