Finding the Fourth Proportional to 100,177.18, 150,293.87 and 40,247.74
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Solution
The fourth proportional to 100,177.18, 150,293.87 and 40,247.74 is: 60,382.90
Step by Step Solution
- Step 1: Write the proportion equation
100,177.18 : 150,293.87 = 40,247.74 : x - Step 2: Convert to fraction form
100,177.18/150,293.87 = 40,247.74/x - Step 3: Cross multiply
100,177.18x = 150,293.87 × 40,247.74 - Step 4: Simplify right side
100,177.18x = 6,048,988,026.38 - Step 5: Solve for x
x = 6,048,988,026.38/100,177.18 - Step 6: Final answer
x = 60,382.90
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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.