Finding the Fourth Proportional to 159,249.44, 219,757.58 and 86,652.61
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Solution
The fourth proportional to 159,249.44, 219,757.58 and 86,652.61 is: 119,576.99
Step by Step Solution
- Step 1: Write the proportion equation
159,249.44 : 219,757.58 = 86,652.61 : x - Step 2: Convert to fraction form
159,249.44/219,757.58 = 86,652.61/x - Step 3: Cross multiply
159,249.44x = 219,757.58 × 86,652.61 - Step 4: Simplify right side
159,249.44x = 19,042,567,541.52 - Step 5: Solve for x
x = 19,042,567,541.52/159,249.44 - Step 6: Final answer
x = 119,576.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.