Finding the Fourth Proportional to 231,863.92, 347,342.99 and 159,803.94
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Solution
The fourth proportional to 231,863.92, 347,342.99 and 159,803.94 is: 239,393.77
Step by Step Solution
- Step 1: Write the proportion equation
231,863.92 : 347,342.99 = 159,803.94 : x - Step 2: Convert to fraction form
231,863.92/347,342.99 = 159,803.94/x - Step 3: Cross multiply
231,863.92x = 347,342.99 × 159,803.94 - Step 4: Simplify right side
231,863.92x = 55,506,776,883.09 - Step 5: Solve for x
x = 55,506,776,883.09/231,863.92 - Step 6: Final answer
x = 239,393.77
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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.