Finding the Fourth Proportional to 229,451.76, 316,733.76 and 144,552.96
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Solution
The fourth proportional to 229,451.76, 316,733.76 and 144,552.96 is: 199,539.99
Step by Step Solution
- Step 1: Write the proportion equation
229,451.76 : 316,733.76 = 144,552.96 : x - Step 2: Convert to fraction form
229,451.76/316,733.76 = 144,552.96/x - Step 3: Cross multiply
229,451.76x = 316,733.76 × 144,552.96 - Step 4: Simplify right side
229,451.76x = 45,784,802,539.93 - Step 5: Solve for x
x = 45,784,802,539.93/229,451.76 - Step 6: Final answer
x = 199,539.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.