Finding the Fourth Proportional to 415,625.28, 573,551.35 and 234,335.62
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Solution
The fourth proportional to 415,625.28, 573,551.35 and 234,335.62 is: 323,376.65
Step by Step Solution
- Step 1: Write the proportion equation
415,625.28 : 573,551.35 = 234,335.62 : x - Step 2: Convert to fraction form
415,625.28/573,551.35 = 234,335.62/x - Step 3: Cross multiply
415,625.28x = 573,551.35 × 234,335.62 - Step 4: Simplify right side
415,625.28x = 134,403,511,204.09 - Step 5: Solve for x
x = 134,403,511,204.09/415,625.28 - Step 6: Final answer
x = 323,376.65
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1.5x scale
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.