Finding the Fourth Proportional to 415,394.87, 573,248.48 and 234,072.05
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Solution
The fourth proportional to 415,394.87, 573,248.48 and 234,072.05 is: 323,021.43
Step by Step Solution
- Step 1: Write the proportion equation
415,394.87 : 573,248.48 = 234,072.05 : x - Step 2: Convert to fraction form
415,394.87/573,248.48 = 234,072.05/x - Step 3: Cross multiply
415,394.87x = 573,248.48 × 234,072.05 - Step 4: Simplify right side
415,394.87x = 134,181,442,836.38 - Step 5: Solve for x
x = 134,181,442,836.38/415,394.87 - Step 6: Final answer
x = 323,021.43
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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.