Finding the Fourth Proportional to 194,748.06, 268,750.80 and 105,324.06
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Solution
The fourth proportional to 194,748.06, 268,750.80 and 105,324.06 is: 145,346.38
Step by Step Solution
- Step 1: Write the proportion equation
194,748.06 : 268,750.80 = 105,324.06 : x - Step 2: Convert to fraction form
194,748.06/268,750.80 = 105,324.06/x - Step 3: Cross multiply
194,748.06x = 268,750.80 × 105,324.06 - Step 4: Simplify right side
194,748.06x = 28,305,925,384.25 - Step 5: Solve for x
x = 28,305,925,384.25/194,748.06 - Step 6: Final answer
x = 145,346.38
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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.