Finding the Fourth Proportional to 106,828.57, 160,260.59 and 47,661.99
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Solution
The fourth proportional to 106,828.57, 160,260.59 and 47,661.99 is: 71,500.90
Step by Step Solution
- Step 1: Write the proportion equation
106,828.57 : 160,260.59 = 47,661.99 : x - Step 2: Convert to fraction form
106,828.57/160,260.59 = 47,661.99/x - Step 3: Cross multiply
106,828.57x = 160,260.59 × 47,661.99 - Step 4: Simplify right side
106,828.57x = 7,638,338,637.97 - Step 5: Solve for x
x = 7,638,338,637.97/106,828.57 - Step 6: Final answer
x = 71,500.90
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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.