Finding the Fourth Proportional to 254,717.70, 382,076.55 and 136,619.70
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Solution
The fourth proportional to 254,717.70, 382,076.55 and 136,619.70 is: 204,929.55
Step by Step Solution
- Step 1: Write the proportion equation
254,717.70 : 382,076.55 = 136,619.70 : x - Step 2: Convert to fraction form
254,717.70/382,076.55 = 136,619.70/x - Step 3: Cross multiply
254,717.70x = 382,076.55 × 136,619.70 - Step 4: Simplify right side
254,717.70x = 52,199,183,638.04 - Step 5: Solve for x
x = 52,199,183,638.04/254,717.70 - Step 6: Final answer
x = 204,929.55
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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.