Finding the Fourth Proportional to 181,829.05, 251,082.74 and 113,962.70
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Solution
The fourth proportional to 181,829.05, 251,082.74 and 113,962.70 is: 157,367.95
Step by Step Solution
- Step 1: Write the proportion equation
181,829.05 : 251,082.74 = 113,962.70 : x - Step 2: Convert to fraction form
181,829.05/251,082.74 = 113,962.70/x - Step 3: Cross multiply
181,829.05x = 251,082.74 × 113,962.70 - Step 4: Simplify right side
181,829.05x = 28,614,065,833.03 - Step 5: Solve for x
x = 28,614,065,833.03/181,829.05 - Step 6: Final answer
x = 157,367.95
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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.