Finding the Fourth Proportional to 262,629.98, 394,068.00 and 129,437.63
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Solution
The fourth proportional to 262,629.98, 394,068.00 and 129,437.63 is: 194,217.08
Step by Step Solution
- Step 1: Write the proportion equation
262,629.98 : 394,068.00 = 129,437.63 : x - Step 2: Convert to fraction form
262,629.98/394,068.00 = 129,437.63/x - Step 3: Cross multiply
262,629.98x = 394,068.00 × 129,437.63 - Step 4: Simplify right side
262,629.98x = 51,007,227,331.65 - Step 5: Solve for x
x = 51,007,227,331.65/262,629.98 - Step 6: Final answer
x = 194,217.08
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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.