Finding the Fourth Proportional to 146,006.40, 201,473.78 and 107,786.28
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Solution
The fourth proportional to 146,006.40, 201,473.78 and 107,786.28 is: 148,733.95
Step by Step Solution
- Step 1: Write the proportion equation
146,006.40 : 201,473.78 = 107,786.28 : x - Step 2: Convert to fraction form
146,006.40/201,473.78 = 107,786.28/x - Step 3: Cross multiply
146,006.40x = 201,473.78 × 107,786.28 - Step 4: Simplify right side
146,006.40x = 21,716,109,263.74 - Step 5: Solve for x
x = 21,716,109,263.74/146,006.40 - Step 6: Final answer
x = 148,733.95
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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.