Finding the Fourth Proportional to 270,553.64, 405,791.58 and 112,752.68
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Solution
The fourth proportional to 270,553.64, 405,791.58 and 112,752.68 is: 169,112.82
Step by Step Solution
- Step 1: Write the proportion equation
270,553.64 : 405,791.58 = 112,752.68 : x - Step 2: Convert to fraction form
270,553.64/405,791.58 = 112,752.68/x - Step 3: Cross multiply
270,553.64x = 405,791.58 × 112,752.68 - Step 4: Simplify right side
270,553.64x = 45,754,088,166.43 - Step 5: Solve for x
x = 45,754,088,166.43/270,553.64 - Step 6: Final answer
x = 169,112.82
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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.