Finding the Fourth Proportional to 191,911.09, 264,884.79 and 130,758.43
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Solution
The fourth proportional to 191,911.09, 264,884.79 and 130,758.43 is: 180,478.99
Step by Step Solution
- Step 1: Write the proportion equation
191,911.09 : 264,884.79 = 130,758.43 : x - Step 2: Convert to fraction form
191,911.09/264,884.79 = 130,758.43/x - Step 3: Cross multiply
191,911.09x = 264,884.79 × 130,758.43 - Step 4: Simplify right side
191,911.09x = 34,635,919,271.28 - Step 5: Solve for x
x = 34,635,919,271.28/191,911.09 - Step 6: Final answer
x = 180,478.99
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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.