Finding the Fourth Proportional to 159,669.18, 239,558.58 and 54,561.96
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Solution
The fourth proportional to 159,669.18, 239,558.58 and 54,561.96 is: 81,861.67
Step by Step Solution
- Step 1: Write the proportion equation
159,669.18 : 239,558.58 = 54,561.96 : x - Step 2: Convert to fraction form
159,669.18/239,558.58 = 54,561.96/x - Step 3: Cross multiply
159,669.18x = 239,558.58 × 54,561.96 - Step 4: Simplify right side
159,669.18x = 13,070,785,659.62 - Step 5: Solve for x
x = 13,070,785,659.62/159,669.18 - Step 6: Final answer
x = 81,861.67
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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.