Finding the Fourth Proportional to 404,908.60, 558,778.08 and 223,625.12
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Solution
The fourth proportional to 404,908.60, 558,778.08 and 223,625.12 is: 308,604.99
Step by Step Solution
- Step 1: Write the proportion equation
404,908.60 : 558,778.08 = 223,625.12 : x - Step 2: Convert to fraction form
404,908.60/558,778.08 = 223,625.12/x - Step 3: Cross multiply
404,908.60x = 558,778.08 × 223,625.12 - Step 4: Simplify right side
404,908.60x = 124,956,815,193.37 - Step 5: Solve for x
x = 124,956,815,193.37/404,908.60 - Step 6: Final answer
x = 308,604.99
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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.