Finding the Fourth Proportional to 654,169.36, 981,272.50 and 180,854.68
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Solution
The fourth proportional to 654,169.36, 981,272.50 and 180,854.68 is: 271,287.12
Step by Step Solution
- Step 1: Write the proportion equation
654,169.36 : 981,272.50 = 180,854.68 : x - Step 2: Convert to fraction form
654,169.36/981,272.50 = 180,854.68/x - Step 3: Cross multiply
654,169.36x = 981,272.50 × 180,854.68 - Step 4: Simplify right side
654,169.36x = 177,467,723,980.30 - Step 5: Solve for x
x = 177,467,723,980.30/654,169.36 - Step 6: Final answer
x = 271,287.12
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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.