Finding the Fourth Proportional to 322,838.14, 445,251.33 and 286,566.07
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Solution
The fourth proportional to 322,838.14, 445,251.33 and 286,566.07 is: 395,225.68
Step by Step Solution
- Step 1: Write the proportion equation
322,838.14 : 445,251.33 = 286,566.07 : x - Step 2: Convert to fraction form
322,838.14/445,251.33 = 286,566.07/x - Step 3: Cross multiply
322,838.14x = 445,251.33 × 286,566.07 - Step 4: Simplify right side
322,838.14x = 127,593,923,800.37 - Step 5: Solve for x
x = 127,593,923,800.37/322,838.14 - Step 6: Final answer
x = 395,225.68
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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.