Finding the Fourth Proportional to 415,742.41, 573,724.38 and 224,755.75
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Solution
The fourth proportional to 415,742.41, 573,724.38 and 224,755.75 is: 310,162.86
Step by Step Solution
- Step 1: Write the proportion equation
415,742.41 : 573,724.38 = 224,755.75 : x - Step 2: Convert to fraction form
415,742.41/573,724.38 = 224,755.75/x - Step 3: Cross multiply
415,742.41x = 573,724.38 × 224,755.75 - Step 4: Simplify right side
415,742.41x = 128,947,853,320.19 - Step 5: Solve for x
x = 128,947,853,320.19/415,742.41 - Step 6: Final answer
x = 310,162.86
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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.