Finding the Fourth Proportional to 741,532.42, 1,112,298.18 and 268,107.06
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Solution
The fourth proportional to 741,532.42, 1,112,298.18 and 268,107.06 is: 402,160.43
Step by Step Solution
- Step 1: Write the proportion equation
741,532.42 : 1,112,298.18 = 268,107.06 : x - Step 2: Convert to fraction form
741,532.42/1,112,298.18 = 268,107.06/x - Step 3: Cross multiply
741,532.42x = 1,112,298.18 × 268,107.06 - Step 4: Simplify right side
741,532.42x = 298,214,998,048.87 - Step 5: Solve for x
x = 298,214,998,048.87/741,532.42 - Step 6: Final answer
x = 402,160.43
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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.