Finding the Fourth Proportional to 929,043.36, 1,393,566.84 and 255,133.44
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Solution
The fourth proportional to 929,043.36, 1,393,566.84 and 255,133.44 is: 382,700.65
Step by Step Solution
- Step 1: Write the proportion equation
929,043.36 : 1,393,566.84 = 255,133.44 : x - Step 2: Convert to fraction form
929,043.36/1,393,566.84 = 255,133.44/x - Step 3: Cross multiply
929,043.36x = 1,393,566.84 × 255,133.44 - Step 4: Simplify right side
929,043.36x = 355,545,501,759.13 - Step 5: Solve for x
x = 355,545,501,759.13/929,043.36 - Step 6: Final answer
x = 382,700.65
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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.