Finding the Fourth Proportional to 239,573.18, 330,445.22 and 194,253.09
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Solution
The fourth proportional to 239,573.18, 330,445.22 and 194,253.09 is: 267,934.86
Step by Step Solution
- Step 1: Write the proportion equation
239,573.18 : 330,445.22 = 194,253.09 : x - Step 2: Convert to fraction form
239,573.18/330,445.22 = 194,253.09/x - Step 3: Cross multiply
239,573.18x = 330,445.22 × 194,253.09 - Step 4: Simplify right side
239,573.18x = 64,190,004,089.46 - Step 5: Solve for x
x = 64,190,004,089.46/239,573.18 - Step 6: Final answer
x = 267,934.86
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1.5x scale
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.