Finding the Fourth Proportional to 159,861.00, 239,739.58 and 53,216.31
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Solution
The fourth proportional to 159,861.00, 239,739.58 and 53,216.31 is: 79,807.17
Step by Step Solution
- Step 1: Write the proportion equation
159,861.00 : 239,739.58 = 53,216.31 : x - Step 2: Convert to fraction form
159,861.00/239,739.58 = 53,216.31/x - Step 3: Cross multiply
159,861.00x = 239,739.58 × 53,216.31 - Step 4: Simplify right side
159,861.00x = 12,758,054,343.77 - Step 5: Solve for x
x = 12,758,054,343.77/159,861.00 - Step 6: Final answer
x = 79,807.17
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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.