Finding the Fourth Proportional to 194,394.84, 268,314.92 and 126,581.08
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Solution
The fourth proportional to 194,394.84, 268,314.92 and 126,581.08 is: 174,714.47
Step by Step Solution
- Step 1: Write the proportion equation
194,394.84 : 268,314.92 = 126,581.08 : x - Step 2: Convert to fraction form
194,394.84/268,314.92 = 126,581.08/x - Step 3: Cross multiply
194,394.84x = 268,314.92 × 126,581.08 - Step 4: Simplify right side
194,394.84x = 33,963,592,353.71 - Step 5: Solve for x
x = 33,963,592,353.71/194,394.84 - Step 6: Final answer
x = 174,714.47
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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.