Finding the Fourth Proportional to 268,170.24, 402,255.04 and 68,490.80
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Solution
The fourth proportional to 268,170.24, 402,255.04 and 68,490.80 is: 102,736.12
Step by Step Solution
- Step 1: Write the proportion equation
268,170.24 : 402,255.04 = 68,490.80 : x - Step 2: Convert to fraction form
268,170.24/402,255.04 = 68,490.80/x - Step 3: Cross multiply
268,170.24x = 402,255.04 × 68,490.80 - Step 4: Simplify right side
268,170.24x = 27,550,769,493.63 - Step 5: Solve for x
x = 27,550,769,493.63/268,170.24 - Step 6: Final answer
x = 102,736.12
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.