Finding the Fourth Proportional to 454,361.70, 680,230.35 and 277,214.70
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Solution
The fourth proportional to 454,361.70, 680,230.35 and 277,214.70 is: 415,021.45
Step by Step Solution
- Step 1: Write the proportion equation
454,361.70 : 680,230.35 = 277,214.70 : x - Step 2: Convert to fraction form
454,361.70/680,230.35 = 277,214.70/x - Step 3: Cross multiply
454,361.70x = 680,230.35 × 277,214.70 - Step 4: Simplify right side
454,361.70x = 188,569,852,406.15 - Step 5: Solve for x
x = 188,569,852,406.15/454,361.70 - Step 6: Final answer
x = 415,021.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.