Finding the Fourth Proportional to 454,811.70, 680,905.35 and 277,664.70
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Solution
The fourth proportional to 454,811.70, 680,905.35 and 277,664.70 is: 415,695.95
Step by Step Solution
- Step 1: Write the proportion equation
454,811.70 : 680,905.35 = 277,664.70 : x - Step 2: Convert to fraction form
454,811.70/680,905.35 = 277,664.70/x - Step 3: Cross multiply
454,811.70x = 680,905.35 × 277,664.70 - Step 4: Simplify right side
454,811.70x = 189,063,379,736.15 - Step 5: Solve for x
x = 189,063,379,736.15/454,811.70 - Step 6: Final answer
x = 415,695.95
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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.