Finding the Fourth Proportional to 113,289.12, 169,933.95 and 34,403.94
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Solution
The fourth proportional to 113,289.12, 169,933.95 and 34,403.94 is: 51,605.99
Step by Step Solution
- Step 1: Write the proportion equation
113,289.12 : 169,933.95 = 34,403.94 : x - Step 2: Convert to fraction form
113,289.12/169,933.95 = 34,403.94/x - Step 3: Cross multiply
113,289.12x = 169,933.95 × 34,403.94 - Step 4: Simplify right side
113,289.12x = 5,846,397,419.76 - Step 5: Solve for x
x = 5,846,397,419.76/113,289.12 - Step 6: Final answer
x = 51,605.99
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1.5x scale
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.