Finding the Fourth Proportional to 134,889.99, 202,334.85 and 40,119.80
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Solution
The fourth proportional to 134,889.99, 202,334.85 and 40,119.80 is: 60,179.65
Step by Step Solution
- Step 1: Write the proportion equation
134,889.99 : 202,334.85 = 40,119.80 : x - Step 2: Convert to fraction form
134,889.99/202,334.85 = 40,119.80/x - Step 3: Cross multiply
134,889.99x = 202,334.85 × 40,119.80 - Step 4: Simplify right side
134,889.99x = 8,117,632,703.36 - Step 5: Solve for x
x = 8,117,632,703.36/134,889.99 - Step 6: Final answer
x = 60,179.65
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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.