Finding the Fourth Proportional to 394,070.50, 543,817.92 and 224,304.63
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Solution
The fourth proportional to 394,070.50, 543,817.92 and 224,304.63 is: 309,540.75
Step by Step Solution
- Step 1: Write the proportion equation
394,070.50 : 543,817.92 = 224,304.63 : x - Step 2: Convert to fraction form
394,070.50/543,817.92 = 224,304.63/x - Step 3: Cross multiply
394,070.50x = 543,817.92 × 224,304.63 - Step 4: Simplify right side
394,070.50x = 121,980,877,332.97 - Step 5: Solve for x
x = 121,980,877,332.97/394,070.50 - Step 6: Final answer
x = 309,540.75
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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.