Finding the Fourth Proportional to 159,776.71, 239,436.72 and 117,323.70
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Solution
The fourth proportional to 159,776.71, 239,436.72 and 117,323.70 is: 175,817.88
Step by Step Solution
- Step 1: Write the proportion equation
159,776.71 : 239,436.72 = 117,323.70 : x - Step 2: Convert to fraction form
159,776.71/239,436.72 = 117,323.70/x - Step 3: Cross multiply
159,776.71x = 239,436.72 × 117,323.70 - Step 4: Simplify right side
159,776.71x = 28,091,601,906.26 - Step 5: Solve for x
x = 28,091,601,906.26/159,776.71 - Step 6: Final answer
x = 175,817.88
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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.