Finding the Fourth Proportional to 377,991.36, 521,627.99 and 208,225.44
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Solution
The fourth proportional to 377,991.36, 521,627.99 and 208,225.44 is: 287,351.06
Step by Step Solution
- Step 1: Write the proportion equation
377,991.36 : 521,627.99 = 208,225.44 : x - Step 2: Convert to fraction form
377,991.36/521,627.99 = 208,225.44/x - Step 3: Cross multiply
377,991.36x = 521,627.99 × 208,225.44 - Step 4: Simplify right side
377,991.36x = 108,616,216,692.94 - Step 5: Solve for x
x = 108,616,216,692.94/377,991.36 - Step 6: Final answer
x = 287,351.06
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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.