Finding the Fourth Proportional to 106,318.88, 159,399.20 and 46,335.96
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Solution
The fourth proportional to 106,318.88, 159,399.20 and 46,335.96 is: 69,469.46
Step by Step Solution
- Step 1: Write the proportion equation
106,318.88 : 159,399.20 = 46,335.96 : x - Step 2: Convert to fraction form
106,318.88/159,399.20 = 46,335.96/x - Step 3: Cross multiply
106,318.88x = 159,399.20 × 46,335.96 - Step 4: Simplify right side
106,318.88x = 7,385,914,955.23 - Step 5: Solve for x
x = 7,385,914,955.23/106,318.88 - Step 6: Final answer
x = 69,469.46
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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.