Finding the Fourth Proportional to 256,274.16, 384,441.99 and 106,615.70
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Solution
The fourth proportional to 256,274.16, 384,441.99 and 106,615.70 is: 159,936.34
Step by Step Solution
- Step 1: Write the proportion equation
256,274.16 : 384,441.99 = 106,615.70 : x - Step 2: Convert to fraction form
256,274.16/384,441.99 = 106,615.70/x - Step 3: Cross multiply
256,274.16x = 384,441.99 × 106,615.70 - Step 4: Simplify right side
256,274.16x = 40,987,549,951.03 - Step 5: Solve for x
x = 40,987,549,951.03/256,274.16 - Step 6: Final answer
x = 159,936.34
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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.