Finding the Fourth Proportional to 159,233.28, 219,747.97 and 91,263.37
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Solution
The fourth proportional to 159,233.28, 219,747.97 and 91,263.37 is: 125,946.92
Step by Step Solution
- Step 1: Write the proportion equation
159,233.28 : 219,747.97 = 91,263.37 : x - Step 2: Convert to fraction form
159,233.28/219,747.97 = 91,263.37/x - Step 3: Cross multiply
159,233.28x = 219,747.97 × 91,263.37 - Step 4: Simplify right side
159,233.28x = 20,054,940,521.02 - Step 5: Solve for x
x = 20,054,940,521.02/159,233.28 - Step 6: Final answer
x = 125,946.92
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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.