Finding the Fourth Proportional to 191,784.84, 264,694.26 and 115,381.15
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Solution
The fourth proportional to 191,784.84, 264,694.26 and 115,381.15 is: 159,244.75
Step by Step Solution
- Step 1: Write the proportion equation
191,784.84 : 264,694.26 = 115,381.15 : x - Step 2: Convert to fraction form
191,784.84/264,694.26 = 115,381.15/x - Step 3: Cross multiply
191,784.84x = 264,694.26 × 115,381.15 - Step 4: Simplify right side
191,784.84x = 30,540,728,117.20 - Step 5: Solve for x
x = 30,540,728,117.20/191,784.84 - Step 6: Final answer
x = 159,244.75
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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.