Finding the Fourth Proportional to 556,922.41, 835,249.81 and 257,114.95
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Solution
The fourth proportional to 556,922.41, 835,249.81 and 257,114.95 is: 385,610.65
Step by Step Solution
- Step 1: Write the proportion equation
556,922.41 : 835,249.81 = 257,114.95 : x - Step 2: Convert to fraction form
556,922.41/835,249.81 = 257,114.95/x - Step 3: Cross multiply
556,922.41x = 835,249.81 × 257,114.95 - Step 4: Simplify right side
556,922.41x = 214,755,213,135.66 - Step 5: Solve for x
x = 214,755,213,135.66/556,922.41 - Step 6: Final answer
x = 385,610.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.