Finding the Fourth Proportional to 428,295.26, 591,022.70 and 237,297.26
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Solution
The fourth proportional to 428,295.26, 591,022.70 and 237,297.26 is: 327,456.50
Step by Step Solution
- Step 1: Write the proportion equation
428,295.26 : 591,022.70 = 237,297.26 : x - Step 2: Convert to fraction form
428,295.26/591,022.70 = 237,297.26/x - Step 3: Cross multiply
428,295.26x = 591,022.70 × 237,297.26 - Step 4: Simplify right side
428,295.26x = 140,248,067,307.80 - Step 5: Solve for x
x = 140,248,067,307.80/428,295.26 - Step 6: Final answer
x = 327,456.50
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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.