Finding the Fourth Proportional to 394,329.24, 544,199.94 and 228,791.12
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Solution
The fourth proportional to 394,329.24, 544,199.94 and 228,791.12 is: 315,746.60
Step by Step Solution
- Step 1: Write the proportion equation
394,329.24 : 544,199.94 = 228,791.12 : x - Step 2: Convert to fraction form
394,329.24/544,199.94 = 228,791.12/x - Step 3: Cross multiply
394,329.24x = 544,199.94 × 228,791.12 - Step 4: Simplify right side
394,329.24x = 124,508,115,137.03 - Step 5: Solve for x
x = 124,508,115,137.03/394,329.24 - Step 6: Final answer
x = 315,746.60
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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.