Finding the Fourth Proportional to 146,889.36, 202,706.82 and 83,239.29
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Solution
The fourth proportional to 146,889.36, 202,706.82 and 83,239.29 is: 114,869.94
Step by Step Solution
- Step 1: Write the proportion equation
146,889.36 : 202,706.82 = 83,239.29 : x - Step 2: Convert to fraction form
146,889.36/202,706.82 = 83,239.29/x - Step 3: Cross multiply
146,889.36x = 202,706.82 × 83,239.29 - Step 4: Simplify right side
146,889.36x = 16,873,171,774.96 - Step 5: Solve for x
x = 16,873,171,774.96/146,889.36 - Step 6: Final answer
x = 114,869.94
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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.