Finding the Fourth Proportional to 194,523.68, 268,664.11 and 130,750.76
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Solution
The fourth proportional to 194,523.68, 268,664.11 and 130,750.76 is: 180,584.89
Step by Step Solution
- Step 1: Write the proportion equation
194,523.68 : 268,664.11 = 130,750.76 : x - Step 2: Convert to fraction form
194,523.68/268,664.11 = 130,750.76/x - Step 3: Cross multiply
194,523.68x = 268,664.11 × 130,750.76 - Step 4: Simplify right side
194,523.68x = 35,128,036,707.99 - Step 5: Solve for x
x = 35,128,036,707.99/194,523.68 - Step 6: Final answer
x = 180,584.89
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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.