Finding the Fourth Proportional to 192,206.02, 288,309.03 and 87,022.66
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Solution
The fourth proportional to 192,206.02, 288,309.03 and 87,022.66 is: 130,533.99
Step by Step Solution
- Step 1: Write the proportion equation
192,206.02 : 288,309.03 = 87,022.66 : x - Step 2: Convert to fraction form
192,206.02/288,309.03 = 87,022.66/x - Step 3: Cross multiply
192,206.02x = 288,309.03 × 87,022.66 - Step 4: Simplify right side
192,206.02x = 25,089,418,692.62 - Step 5: Solve for x
x = 25,089,418,692.62/192,206.02 - Step 6: Final answer
x = 130,533.99
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1.5x scale
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.