Finding the Fourth Proportional to 403,854.68, 557,323.26 and 222,573.14
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Solution
The fourth proportional to 403,854.68, 557,323.26 and 222,573.14 is: 307,153.03
Step by Step Solution
- Step 1: Write the proportion equation
403,854.68 : 557,323.26 = 222,573.14 : x - Step 2: Convert to fraction form
403,854.68/557,323.26 = 222,573.14/x - Step 3: Cross multiply
403,854.68x = 557,323.26 × 222,573.14 - Step 4: Simplify right side
403,854.68x = 124,045,187,973.24 - Step 5: Solve for x
x = 124,045,187,973.24/403,854.68 - Step 6: Final answer
x = 307,153.03
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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.