Finding the Fourth Proportional to 400,578.24, 552,209.04 and 304,918.32
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Solution
The fourth proportional to 400,578.24, 552,209.04 and 304,918.32 is: 420,338.99
Step by Step Solution
- Step 1: Write the proportion equation
400,578.24 : 552,209.04 = 304,918.32 : x - Step 2: Convert to fraction form
400,578.24/552,209.04 = 304,918.32/x - Step 3: Cross multiply
400,578.24x = 552,209.04 × 304,918.32 - Step 4: Simplify right side
400,578.24x = 168,378,652,765.61 - Step 5: Solve for x
x = 168,378,652,765.61/400,578.24 - Step 6: Final answer
x = 420,338.99
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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.