Finding the Fourth Proportional to 403,520.27, 556,851.18 and 222,249.08
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Solution
The fourth proportional to 403,520.27, 556,851.18 and 222,249.08 is: 306,699.98
Step by Step Solution
- Step 1: Write the proportion equation
403,520.27 : 556,851.18 = 222,249.08 : x - Step 2: Convert to fraction form
403,520.27/556,851.18 = 222,249.08/x - Step 3: Cross multiply
403,520.27x = 556,851.18 × 222,249.08 - Step 4: Simplify right side
403,520.27x = 123,759,658,834.22 - Step 5: Solve for x
x = 123,759,658,834.22/403,520.27 - Step 6: Final answer
x = 306,699.98
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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.