Finding the Fourth Proportional to 372,192.87, 513,624.74 and 202,429.83
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Solution
The fourth proportional to 372,192.87, 513,624.74 and 202,429.83 is: 279,352.39
Step by Step Solution
- Step 1: Write the proportion equation
372,192.87 : 513,624.74 = 202,429.83 : x - Step 2: Convert to fraction form
372,192.87/513,624.74 = 202,429.83/x - Step 3: Cross multiply
372,192.87x = 513,624.74 × 202,429.83 - Step 4: Simplify right side
372,192.87x = 103,972,967,789.85 - Step 5: Solve for x
x = 103,972,967,789.85/372,192.87 - Step 6: Final answer
x = 279,352.39
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1.5x scale
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.