Finding the Fourth Proportional to 330,376.14, 455,880.36 and 194,380.14
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Solution
The fourth proportional to 330,376.14, 455,880.36 and 194,380.14 is: 268,221.82
Step by Step Solution
- Step 1: Write the proportion equation
330,376.14 : 455,880.36 = 194,380.14 : x - Step 2: Convert to fraction form
330,376.14/455,880.36 = 194,380.14/x - Step 3: Cross multiply
330,376.14x = 455,880.36 × 194,380.14 - Step 4: Simplify right side
330,376.14x = 88,614,088,200.05 - Step 5: Solve for x
x = 88,614,088,200.05/330,376.14 - Step 6: Final answer
x = 268,221.82
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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.