Finding the Fourth Proportional to 366,287.99, 550,274.09 and 258,465.45
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Solution
The fourth proportional to 366,287.99, 550,274.09 and 258,465.45 is: 388,292.39
Step by Step Solution
- Step 1: Write the proportion equation
366,287.99 : 550,274.09 = 258,465.45 : x - Step 2: Convert to fraction form
366,287.99/550,274.09 = 258,465.45/x - Step 3: Cross multiply
366,287.99x = 550,274.09 × 258,465.45 - Step 4: Simplify right side
366,287.99x = 142,226,840,295.19 - Step 5: Solve for x
x = 142,226,840,295.19/366,287.99 - Step 6: Final answer
x = 388,292.39
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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.