Finding the Fourth Proportional to 117,846.98, 162,582.36 and 87,294.50
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Solution
The fourth proportional to 117,846.98, 162,582.36 and 87,294.50 is: 120,431.99
Step by Step Solution
- Step 1: Write the proportion equation
117,846.98 : 162,582.36 = 87,294.50 : x - Step 2: Convert to fraction form
117,846.98/162,582.36 = 87,294.50/x - Step 3: Cross multiply
117,846.98x = 162,582.36 × 87,294.50 - Step 4: Simplify right side
117,846.98x = 14,192,545,825.02 - Step 5: Solve for x
x = 14,192,545,825.02/117,846.98 - Step 6: Final answer
x = 120,431.99
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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.