Finding the Fourth Proportional to 181,913.36, 251,040.74 and 101,343.74
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Solution
The fourth proportional to 181,913.36, 251,040.74 and 101,343.74 is: 139,854.52
Step by Step Solution
- Step 1: Write the proportion equation
181,913.36 : 251,040.74 = 101,343.74 : x - Step 2: Convert to fraction form
181,913.36/251,040.74 = 101,343.74/x - Step 3: Cross multiply
181,913.36x = 251,040.74 × 101,343.74 - Step 4: Simplify right side
181,913.36x = 25,441,405,722.05 - Step 5: Solve for x
x = 25,441,405,722.05/181,913.36 - Step 6: Final answer
x = 139,854.52
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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.