Finding the Fourth Proportional to 113,518.99, 170,278.44 and 52,723.09
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Solution
The fourth proportional to 113,518.99, 170,278.44 and 52,723.09 is: 79,084.61
Step by Step Solution
- Step 1: Write the proportion equation
113,518.99 : 170,278.44 = 52,723.09 : x - Step 2: Convert to fraction form
113,518.99/170,278.44 = 52,723.09/x - Step 3: Cross multiply
113,518.99x = 170,278.44 × 52,723.09 - Step 4: Simplify right side
113,518.99x = 8,977,605,517.18 - Step 5: Solve for x
x = 8,977,605,517.18/113,518.99 - Step 6: Final answer
x = 79,084.61
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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.