Finding the Fourth Proportional to 547,544.17, 755,602.99 and 305,830.18
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Solution
The fourth proportional to 547,544.17, 755,602.99 and 305,830.18 is: 422,041.20
Step by Step Solution
- Step 1: Write the proportion equation
547,544.17 : 755,602.99 = 305,830.18 : x - Step 2: Convert to fraction form
547,544.17/755,602.99 = 305,830.18/x - Step 3: Cross multiply
547,544.17x = 755,602.99 × 305,830.18 - Step 4: Simplify right side
547,544.17x = 231,086,198,440.24 - Step 5: Solve for x
x = 231,086,198,440.24/547,544.17 - Step 6: Final answer
x = 422,041.20
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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.