Finding the Fourth Proportional to 191,599.48, 264,415.41 and 106,716.55
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Solution
The fourth proportional to 191,599.48, 264,415.41 and 106,716.55 is: 147,273.37
Step by Step Solution
- Step 1: Write the proportion equation
191,599.48 : 264,415.41 = 106,716.55 : x - Step 2: Convert to fraction form
191,599.48/264,415.41 = 106,716.55/x - Step 3: Cross multiply
191,599.48x = 264,415.41 × 106,716.55 - Step 4: Simplify right side
191,599.48x = 28,217,500,322.04 - Step 5: Solve for x
x = 28,217,500,322.04/191,599.48 - Step 6: Final answer
x = 147,273.37
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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.