Finding the Fourth Proportional to 159,405.92, 238,518.26 and 117,317.08
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Solution
The fourth proportional to 159,405.92, 238,518.26 and 117,317.08 is: 175,540.94
Step by Step Solution
- Step 1: Write the proportion equation
159,405.92 : 238,518.26 = 117,317.08 : x - Step 2: Convert to fraction form
159,405.92/238,518.26 = 117,317.08/x - Step 3: Cross multiply
159,405.92x = 238,518.26 × 117,317.08 - Step 4: Simplify right side
159,405.92x = 27,982,265,789.88 - Step 5: Solve for x
x = 27,982,265,789.88/159,405.92 - Step 6: Final answer
x = 175,540.94
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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.