Finding the Fourth Proportional to 278,310.63, 384,068.81 and 150,986.19
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Solution
The fourth proportional to 278,310.63, 384,068.81 and 150,986.19 is: 208,361.02
Step by Step Solution
- Step 1: Write the proportion equation
278,310.63 : 384,068.81 = 150,986.19 : x - Step 2: Convert to fraction form
278,310.63/384,068.81 = 150,986.19/x - Step 3: Cross multiply
278,310.63x = 384,068.81 × 150,986.19 - Step 4: Simplify right side
278,310.63x = 57,989,085,564.80 - Step 5: Solve for x
x = 57,989,085,564.80/278,310.63 - Step 6: Final answer
x = 208,361.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.