Finding the Fourth Proportional to 194,880.08, 268,934.36 and 105,456.08
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Solution
The fourth proportional to 194,880.08, 268,934.36 and 105,456.08 is: 145,529.31
Step by Step Solution
- Step 1: Write the proportion equation
194,880.08 : 268,934.36 = 105,456.08 : x - Step 2: Convert to fraction form
194,880.08/268,934.36 = 105,456.08/x - Step 3: Cross multiply
194,880.08x = 268,934.36 × 105,456.08 - Step 4: Simplify right side
194,880.08x = 28,360,763,382.91 - Step 5: Solve for x
x = 28,360,763,382.91/194,880.08 - Step 6: Final answer
x = 145,529.31
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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.