Finding the Fourth Proportional to 256,065.23, 383,880.93 and 106,211.99
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Solution
The fourth proportional to 256,065.23, 383,880.93 and 106,211.99 is: 159,228.01
Step by Step Solution
- Step 1: Write the proportion equation
256,065.23 : 383,880.93 = 106,211.99 : x - Step 2: Convert to fraction form
256,065.23/383,880.93 = 106,211.99/x - Step 3: Cross multiply
256,065.23x = 383,880.93 × 106,211.99 - Step 4: Simplify right side
256,065.23x = 40,772,755,578.95 - Step 5: Solve for x
x = 40,772,755,578.95/256,065.23 - Step 6: Final answer
x = 159,228.01
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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.