Finding the Fourth Proportional to 200,385.84, 276,532.96 and 108,506.08
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Solution
The fourth proportional to 200,385.84, 276,532.96 and 108,506.08 is: 149,738.66
Step by Step Solution
- Step 1: Write the proportion equation
200,385.84 : 276,532.96 = 108,506.08 : x - Step 2: Convert to fraction form
200,385.84/276,532.96 = 108,506.08/x - Step 3: Cross multiply
200,385.84x = 276,532.96 × 108,506.08 - Step 4: Simplify right side
200,385.84x = 30,005,507,480.40 - Step 5: Solve for x
x = 30,005,507,480.40/200,385.84 - Step 6: Final answer
x = 149,738.66
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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.