Finding the Fourth Proportional to 207,698.58, 286,624.34 and 112,205.31
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Solution
The fourth proportional to 207,698.58, 286,624.34 and 112,205.31 is: 154,843.49
Step by Step Solution
- Step 1: Write the proportion equation
207,698.58 : 286,624.34 = 112,205.31 : x - Step 2: Convert to fraction form
207,698.58/286,624.34 = 112,205.31/x - Step 3: Cross multiply
207,698.58x = 286,624.34 × 112,205.31 - Step 4: Simplify right side
207,698.58x = 32,160,772,923.25 - Step 5: Solve for x
x = 32,160,772,923.25/207,698.58 - Step 6: Final answer
x = 154,843.49
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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.