Finding the Fourth Proportional to 215,338.20, 297,176.46 and 124,698.12
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Solution
The fourth proportional to 215,338.20, 297,176.46 and 124,698.12 is: 172,089.05
Step by Step Solution
- Step 1: Write the proportion equation
215,338.20 : 297,176.46 = 124,698.12 : x - Step 2: Convert to fraction form
215,338.20/297,176.46 = 124,698.12/x - Step 3: Cross multiply
215,338.20x = 297,176.46 × 124,698.12 - Step 4: Simplify right side
215,338.20x = 37,057,345,870.26 - Step 5: Solve for x
x = 37,057,345,870.26/215,338.20 - Step 6: Final answer
x = 172,089.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.