Finding the Fourth Proportional to 106,237.37, 159,318.92 and 31,337.63
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Solution
The fourth proportional to 106,237.37, 159,318.92 and 31,337.63 is: 46,995.49
Step by Step Solution
- Step 1: Write the proportion equation
106,237.37 : 159,318.92 = 31,337.63 : x - Step 2: Convert to fraction form
106,237.37/159,318.92 = 31,337.63/x - Step 3: Cross multiply
106,237.37x = 159,318.92 × 31,337.63 - Step 4: Simplify right side
106,237.37x = 4,992,676,811.97 - Step 5: Solve for x
x = 4,992,676,811.97/106,237.37 - Step 6: Final answer
x = 46,995.49
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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.