Finding the Fourth Proportional to 107,348.10, 161,026.50 and 27,388.14
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Solution
The fourth proportional to 107,348.10, 161,026.50 and 27,388.14 is: 41,083.32
Step by Step Solution
- Step 1: Write the proportion equation
107,348.10 : 161,026.50 = 27,388.14 : x - Step 2: Convert to fraction form
107,348.10/161,026.50 = 27,388.14/x - Step 3: Cross multiply
107,348.10x = 161,026.50 × 27,388.14 - Step 4: Simplify right side
107,348.10x = 4,410,216,325.71 - Step 5: Solve for x
x = 4,410,216,325.71/107,348.10 - Step 6: Final answer
x = 41,083.32
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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.