Finding the Fourth Proportional to 654,382.13, 981,585.50 and 205,093.05
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Solution
The fourth proportional to 654,382.13, 981,585.50 and 205,093.05 is: 307,643.43
Step by Step Solution
- Step 1: Write the proportion equation
654,382.13 : 981,585.50 = 205,093.05 : x - Step 2: Convert to fraction form
654,382.13/981,585.50 = 205,093.05/x - Step 3: Cross multiply
654,382.13x = 981,585.50 × 205,093.05 - Step 4: Simplify right side
654,382.13x = 201,316,363,005.31 - Step 5: Solve for x
x = 201,316,363,005.31/654,382.13 - Step 6: Final answer
x = 307,643.43
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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.