Finding the Fourth Proportional to 306,223.12, 422,601.97 and 170,271.03
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Solution
The fourth proportional to 306,223.12, 422,601.97 and 170,271.03 is: 234,981.84
Step by Step Solution
- Step 1: Write the proportion equation
306,223.12 : 422,601.97 = 170,271.03 : x - Step 2: Convert to fraction form
306,223.12/422,601.97 = 170,271.03/x - Step 3: Cross multiply
306,223.12x = 422,601.97 × 170,271.03 - Step 4: Simplify right side
306,223.12x = 71,956,872,711.93 - Step 5: Solve for x
x = 71,956,872,711.93/306,223.12 - Step 6: Final answer
x = 234,981.84
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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.