Finding the Fourth Proportional to 394,410.09, 544,329.18 and 228,874.53
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Solution
The fourth proportional to 394,410.09, 544,329.18 and 228,874.53 is: 315,871.95
Step by Step Solution
- Step 1: Write the proportion equation
394,410.09 : 544,329.18 = 228,874.53 : x - Step 2: Convert to fraction form
394,410.09/544,329.18 = 228,874.53/x - Step 3: Cross multiply
394,410.09x = 544,329.18 × 228,874.53 - Step 4: Simplify right side
394,410.09x = 124,583,085,237.79 - Step 5: Solve for x
x = 124,583,085,237.79/394,410.09 - Step 6: Final answer
x = 315,871.95
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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.