Finding the Fourth Proportional to 215,470.99, 322,903.81 and 170,293.65
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Solution
The fourth proportional to 215,470.99, 322,903.81 and 170,293.65 is: 255,201.26
Step by Step Solution
- Step 1: Write the proportion equation
215,470.99 : 322,903.81 = 170,293.65 : x - Step 2: Convert to fraction form
215,470.99/322,903.81 = 170,293.65/x - Step 3: Cross multiply
215,470.99x = 322,903.81 × 170,293.65 - Step 4: Simplify right side
215,470.99x = 54,988,468,403.81 - Step 5: Solve for x
x = 54,988,468,403.81/215,470.99 - Step 6: Final answer
x = 255,201.26
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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.