Finding the Fourth Proportional to 190,576.59, 262,953.63 and 109,986.99
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Solution
The fourth proportional to 190,576.59, 262,953.63 and 109,986.99 is: 151,757.77
Step by Step Solution
- Step 1: Write the proportion equation
190,576.59 : 262,953.63 = 109,986.99 : x - Step 2: Convert to fraction form
190,576.59/262,953.63 = 109,986.99/x - Step 3: Cross multiply
190,576.59x = 262,953.63 × 109,986.99 - Step 4: Simplify right side
190,576.59x = 28,921,478,273.27 - Step 5: Solve for x
x = 28,921,478,273.27/190,576.59 - Step 6: Final answer
x = 151,757.77
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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.