Finding the Fourth Proportional to 106,250.56, 159,349.28 and 31,355.84
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Solution
The fourth proportional to 106,250.56, 159,349.28 and 31,355.84 is: 47,025.92
Step by Step Solution
- Step 1: Write the proportion equation
106,250.56 : 159,349.28 = 31,355.84 : x - Step 2: Convert to fraction form
106,250.56/159,349.28 = 31,355.84/x - Step 3: Cross multiply
106,250.56x = 159,349.28 × 31,355.84 - Step 4: Simplify right side
106,250.56x = 4,996,530,527.80 - Step 5: Solve for x
x = 4,996,530,527.80/106,250.56 - Step 6: Final answer
x = 47,025.92
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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.