Finding the Fourth Proportional to 194,722.75, 268,717.41 and 105,298.75
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Solution
The fourth proportional to 194,722.75, 268,717.41 and 105,298.75 is: 145,312.28
Step by Step Solution
- Step 1: Write the proportion equation
194,722.75 : 268,717.41 = 105,298.75 : x - Step 2: Convert to fraction form
194,722.75/268,717.41 = 105,298.75/x - Step 3: Cross multiply
194,722.75x = 268,717.41 × 105,298.75 - Step 4: Simplify right side
194,722.75x = 28,295,607,376.24 - Step 5: Solve for x
x = 28,295,607,376.24/194,722.75 - Step 6: Final answer
x = 145,312.28
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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.