Finding the Fourth Proportional to 255,098.62, 382,515.56 and 75,160.68
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Solution
The fourth proportional to 255,098.62, 382,515.56 and 75,160.68 is: 112,702.03
Step by Step Solution
- Step 1: Write the proportion equation
255,098.62 : 382,515.56 = 75,160.68 : x - Step 2: Convert to fraction form
255,098.62/382,515.56 = 75,160.68/x - Step 3: Cross multiply
255,098.62x = 382,515.56 × 75,160.68 - Step 4: Simplify right side
255,098.62x = 28,750,131,722.05 - Step 5: Solve for x
x = 28,750,131,722.05/255,098.62 - Step 6: Final answer
x = 112,702.03
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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.