Finding the Fourth Proportional to 746,901.20, 1,120,351.80 and 185,935.70
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Solution
The fourth proportional to 746,901.20, 1,120,351.80 and 185,935.70 is: 278,903.55
Step by Step Solution
- Step 1: Write the proportion equation
746,901.20 : 1,120,351.80 = 185,935.70 : x - Step 2: Convert to fraction form
746,901.20/1,120,351.80 = 185,935.70/x - Step 3: Cross multiply
746,901.20x = 1,120,351.80 × 185,935.70 - Step 4: Simplify right side
746,901.20x = 208,313,396,179.26 - Step 5: Solve for x
x = 208,313,396,179.26/746,901.20 - Step 6: Final answer
x = 278,903.55
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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.