Finding the Fourth Proportional to 485,212.68, 727,323.30 and 169,409.88
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Solution
The fourth proportional to 485,212.68, 727,323.30 and 169,409.88 is: 253,941.74
Step by Step Solution
- Step 1: Write the proportion equation
485,212.68 : 727,323.30 = 169,409.88 : x - Step 2: Convert to fraction form
485,212.68/727,323.30 = 169,409.88/x - Step 3: Cross multiply
485,212.68x = 727,323.30 × 169,409.88 - Step 4: Simplify right side
485,212.68x = 123,215,752,974.20 - Step 5: Solve for x
x = 123,215,752,974.20/485,212.68 - Step 6: Final answer
x = 253,941.74
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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.