Finding the Fourth Proportional to 159,157.26, 239,218.21 and 105,305.62
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Solution
The fourth proportional to 159,157.26, 239,218.21 and 105,305.62 is: 158,277.55
Step by Step Solution
- Step 1: Write the proportion equation
159,157.26 : 239,218.21 = 105,305.62 : x - Step 2: Convert to fraction form
159,157.26/239,218.21 = 105,305.62/x - Step 3: Cross multiply
159,157.26x = 239,218.21 × 105,305.62 - Step 4: Simplify right side
159,157.26x = 25,191,021,919.34 - Step 5: Solve for x
x = 25,191,021,919.34/159,157.26 - Step 6: Final answer
x = 158,277.55
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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.