Finding the Fourth Proportional to 190,353.21, 262,715.40 and 109,764.99
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Solution
The fourth proportional to 190,353.21, 262,715.40 and 109,764.99 is: 151,491.82
Step by Step Solution
- Step 1: Write the proportion equation
190,353.21 : 262,715.40 = 109,764.99 : x - Step 2: Convert to fraction form
190,353.21/262,715.40 = 109,764.99/x - Step 3: Cross multiply
190,353.21x = 262,715.40 × 109,764.99 - Step 4: Simplify right side
190,353.21x = 28,836,953,253.85 - Step 5: Solve for x
x = 28,836,953,253.85/190,353.21 - Step 6: Final answer
x = 151,491.82
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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.