Finding the Fourth Proportional to 547,544.67, 755,603.69 and 305,830.68
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Solution
The fourth proportional to 547,544.67, 755,603.69 and 305,830.68 is: 422,041.89
Step by Step Solution
- Step 1: Write the proportion equation
547,544.67 : 755,603.69 = 305,830.68 : x - Step 2: Convert to fraction form
547,544.67/755,603.69 = 305,830.68/x - Step 3: Cross multiply
547,544.67x = 755,603.69 × 305,830.68 - Step 4: Simplify right side
547,544.67x = 231,086,788,794.06 - Step 5: Solve for x
x = 231,086,788,794.06/547,544.67 - Step 6: Final answer
x = 422,041.89
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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.