Finding the Fourth Proportional to 193,983.36, 290,980.48 and 53,752.32
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Solution
The fourth proportional to 193,983.36, 290,980.48 and 53,752.32 is: 80,629.99
Step by Step Solution
- Step 1: Write the proportion equation
193,983.36 : 290,980.48 = 53,752.32 : x - Step 2: Convert to fraction form
193,983.36/290,980.48 = 53,752.32/x - Step 3: Cross multiply
193,983.36x = 290,980.48 × 53,752.32 - Step 4: Simplify right side
193,983.36x = 15,640,875,874.71 - Step 5: Solve for x
x = 15,640,875,874.71/193,983.36 - Step 6: Final answer
x = 80,629.99
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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.