Finding the Fourth Proportional to 629,554.87, 944,128.18 and 208,717.75
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Solution
The fourth proportional to 629,554.87, 944,128.18 and 208,717.75 is: 313,008.95
Step by Step Solution
- Step 1: Write the proportion equation
629,554.87 : 944,128.18 = 208,717.75 : x - Step 2: Convert to fraction form
629,554.87/944,128.18 = 208,717.75/x - Step 3: Cross multiply
629,554.87x = 944,128.18 × 208,717.75 - Step 4: Simplify right side
629,554.87x = 197,056,309,441.20 - Step 5: Solve for x
x = 197,056,309,441.20/629,554.87 - Step 6: Final answer
x = 313,008.95
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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.