Finding the Fourth Proportional to 403,974.01, 557,487.95 and 222,692.44
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Solution
The fourth proportional to 403,974.01, 557,487.95 and 222,692.44 is: 307,317.67
Step by Step Solution
- Step 1: Write the proportion equation
403,974.01 : 557,487.95 = 222,692.44 : x - Step 2: Convert to fraction form
403,974.01/557,487.95 = 222,692.44/x - Step 3: Cross multiply
403,974.01x = 557,487.95 × 222,692.44 - Step 4: Simplify right side
403,974.01x = 124,148,351,856.10 - Step 5: Solve for x
x = 124,148,351,856.10/403,974.01 - Step 6: Final answer
x = 307,317.67
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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.