Finding the Fourth Proportional to 209,334.36, 288,889.08 and 119,927.64
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Solution
The fourth proportional to 209,334.36, 288,889.08 and 119,927.64 is: 165,504.53
Step by Step Solution
- Step 1: Write the proportion equation
209,334.36 : 288,889.08 = 119,927.64 : x - Step 2: Convert to fraction form
209,334.36/288,889.08 = 119,927.64/x - Step 3: Cross multiply
209,334.36x = 288,889.08 × 119,927.64 - Step 4: Simplify right side
209,334.36x = 34,645,785,586.17 - Step 5: Solve for x
x = 34,645,785,586.17/209,334.36 - Step 6: Final answer
x = 165,504.53
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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.