Finding the Fourth Proportional to 403,794.80, 557,261.61 and 222,506.63
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Solution
The fourth proportional to 403,794.80, 557,261.61 and 222,506.63 is: 307,072.80
Step by Step Solution
- Step 1: Write the proportion equation
403,794.80 : 557,261.61 = 222,506.63 : x - Step 2: Convert to fraction form
403,794.80/557,261.61 = 222,506.63/x - Step 3: Cross multiply
403,794.80x = 557,261.61 × 222,506.63 - Step 4: Simplify right side
403,794.80x = 123,994,401,338.50 - Step 5: Solve for x
x = 123,994,401,338.50/403,794.80 - Step 6: Final answer
x = 307,072.80
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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.