Finding the Fourth Proportional to 366,979.70, 513,149.50 and 366,979.70
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Solution
The fourth proportional to 366,979.70, 513,149.50 and 366,979.70 is: 513,149.50
Step by Step Solution
- Step 1: Write the proportion equation
366,979.70 : 513,149.50 = 366,979.70 : x - Step 2: Convert to fraction form
366,979.70/513,149.50 = 366,979.70/x - Step 3: Cross multiply
366,979.70x = 513,149.50 × 366,979.70 - Step 4: Simplify right side
366,979.70x = 188,315,449,565.15 - Step 5: Solve for x
x = 188,315,449,565.15/366,979.70 - Step 6: Final answer
x = 513,149.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.