Finding the Fourth Proportional to 106,337.68, 159,457.92 and 39,728.96
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Solution
The fourth proportional to 106,337.68, 159,457.92 and 39,728.96 is: 59,575.28
Step by Step Solution
- Step 1: Write the proportion equation
106,337.68 : 159,457.92 = 39,728.96 : x - Step 2: Convert to fraction form
106,337.68/159,457.92 = 39,728.96/x - Step 3: Cross multiply
106,337.68x = 159,457.92 × 39,728.96 - Step 4: Simplify right side
106,337.68x = 6,335,097,325.36 - Step 5: Solve for x
x = 6,335,097,325.36/106,337.68 - Step 6: Final answer
x = 59,575.28
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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.