Finding the Fourth Proportional to 113,009.19, 169,541.19 and 34,118.70
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Solution
The fourth proportional to 113,009.19, 169,541.19 and 34,118.70 is: 51,186.32
Step by Step Solution
- Step 1: Write the proportion equation
113,009.19 : 169,541.19 = 34,118.70 : x - Step 2: Convert to fraction form
113,009.19/169,541.19 = 34,118.70/x - Step 3: Cross multiply
113,009.19x = 169,541.19 × 34,118.70 - Step 4: Simplify right side
113,009.19x = 5,784,524,999.25 - Step 5: Solve for x
x = 5,784,524,999.25/113,009.19 - Step 6: Final answer
x = 51,186.32
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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.