Finding the Fourth Proportional to 113,141.13, 169,713.25 and 28,901.99
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Solution
The fourth proportional to 113,141.13, 169,713.25 and 28,901.99 is: 43,353.38
Step by Step Solution
- Step 1: Write the proportion equation
113,141.13 : 169,713.25 = 28,901.99 : x - Step 2: Convert to fraction form
113,141.13/169,713.25 = 28,901.99/x - Step 3: Cross multiply
113,141.13x = 169,713.25 × 28,901.99 - Step 4: Simplify right side
113,141.13x = 4,905,050,610.36 - Step 5: Solve for x
x = 4,905,050,610.36/113,141.13 - Step 6: Final answer
x = 43,353.38
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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.