Finding the Fourth Proportional to 191,916.75, 264,845.13 and 107,031.99
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Solution
The fourth proportional to 191,916.75, 264,845.13 and 107,031.99 is: 147,704.15
Step by Step Solution
- Step 1: Write the proportion equation
191,916.75 : 264,845.13 = 107,031.99 : x - Step 2: Convert to fraction form
191,916.75/264,845.13 = 107,031.99/x - Step 3: Cross multiply
191,916.75x = 264,845.13 × 107,031.99 - Step 4: Simplify right side
191,916.75x = 28,346,901,305.71 - Step 5: Solve for x
x = 28,346,901,305.71/191,916.75 - Step 6: Final answer
x = 147,704.15
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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.