Finding the Fourth Proportional to 255,225.62, 382,838.44 and 68,232.26
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Solution
The fourth proportional to 255,225.62, 382,838.44 and 68,232.26 is: 102,348.39
Step by Step Solution
- Step 1: Write the proportion equation
255,225.62 : 382,838.44 = 68,232.26 : x - Step 2: Convert to fraction form
255,225.62/382,838.44 = 68,232.26/x - Step 3: Cross multiply
255,225.62x = 382,838.44 × 68,232.26 - Step 4: Simplify right side
255,225.62x = 26,121,931,976.07 - Step 5: Solve for x
x = 26,121,931,976.07/255,225.62 - Step 6: Final answer
x = 102,348.39
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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.