Finding the Fourth Proportional to 254,381.12, 381,571.36 and 96,609.28
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Solution
The fourth proportional to 254,381.12, 381,571.36 and 96,609.28 is: 144,913.80
Step by Step Solution
- Step 1: Write the proportion equation
254,381.12 : 381,571.36 = 96,609.28 : x - Step 2: Convert to fraction form
254,381.12/381,571.36 = 96,609.28/x - Step 3: Cross multiply
254,381.12x = 381,571.36 × 96,609.28 - Step 4: Simplify right side
254,381.12x = 36,863,334,358.22 - Step 5: Solve for x
x = 36,863,334,358.22/254,381.12 - Step 6: Final answer
x = 144,913.80
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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.