Finding the Fourth Proportional to 344,400.44, 516,639.36 and 91,690.80
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Solution
The fourth proportional to 344,400.44, 516,639.36 and 91,690.80 is: 137,546.50
Step by Step Solution
- Step 1: Write the proportion equation
344,400.44 : 516,639.36 = 91,690.80 : x - Step 2: Convert to fraction form
344,400.44/516,639.36 = 91,690.80/x - Step 3: Cross multiply
344,400.44x = 516,639.36 × 91,690.80 - Step 4: Simplify right side
344,400.44x = 47,371,076,229.89 - Step 5: Solve for x
x = 47,371,076,229.89/344,400.44 - Step 6: Final answer
x = 137,546.50
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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.