Finding the Fourth Proportional to 157,620.87, 236,296.44 and 68,809.23
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Solution
The fourth proportional to 157,620.87, 236,296.44 and 68,809.23 is: 103,154.97
Step by Step Solution
- Step 1: Write the proportion equation
157,620.87 : 236,296.44 = 68,809.23 : x - Step 2: Convert to fraction form
157,620.87/236,296.44 = 68,809.23/x - Step 3: Cross multiply
157,620.87x = 236,296.44 × 68,809.23 - Step 4: Simplify right side
157,620.87x = 16,259,376,088.14 - Step 5: Solve for x
x = 16,259,376,088.14/157,620.87 - Step 6: Final answer
x = 103,154.97
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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.