Finding the Fourth Proportional to 159,825.18, 239,779.29 and 131,408.97
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Solution
The fourth proportional to 159,825.18, 239,779.29 and 131,408.97 is: 197,147.59
Step by Step Solution
- Step 1: Write the proportion equation
159,825.18 : 239,779.29 = 131,408.97 : x - Step 2: Convert to fraction form
159,825.18/239,779.29 = 131,408.97/x - Step 3: Cross multiply
159,825.18x = 239,779.29 × 131,408.97 - Step 4: Simplify right side
159,825.18x = 31,509,149,526.23 - Step 5: Solve for x
x = 31,509,149,526.23/159,825.18 - Step 6: Final answer
x = 197,147.59
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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.