Finding the Fourth Proportional to 208,794.24, 288,086.08 and 119,347.84
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Solution
The fourth proportional to 208,794.24, 288,086.08 and 119,347.84 is: 164,671.46
Step by Step Solution
- Step 1: Write the proportion equation
208,794.24 : 288,086.08 = 119,347.84 : x - Step 2: Convert to fraction form
208,794.24/288,086.08 = 119,347.84/x - Step 3: Cross multiply
208,794.24x = 288,086.08 × 119,347.84 - Step 4: Simplify right side
208,794.24x = 34,382,451,382.07 - Step 5: Solve for x
x = 34,382,451,382.07/208,794.24 - Step 6: Final answer
x = 164,671.46
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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.