Finding the Fourth Proportional to 654,322.97, 981,482.95 and 205,078.07
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Solution
The fourth proportional to 654,322.97, 981,482.95 and 205,078.07 is: 307,616.63
Step by Step Solution
- Step 1: Write the proportion equation
654,322.97 : 981,482.95 = 205,078.07 : x - Step 2: Convert to fraction form
654,322.97/981,482.95 = 205,078.07/x - Step 3: Cross multiply
654,322.97x = 981,482.95 × 205,078.07 - Step 4: Simplify right side
654,322.97x = 201,280,629,123.91 - Step 5: Solve for x
x = 201,280,629,123.91/654,322.97 - Step 6: Final answer
x = 307,616.63
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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.