Finding the Fourth Proportional to 395,828.08, 546,293.34 and 221,407.98
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Solution
The fourth proportional to 395,828.08, 546,293.34 and 221,407.98 is: 305,571.31
Step by Step Solution
- Step 1: Write the proportion equation
395,828.08 : 546,293.34 = 221,407.98 : x - Step 2: Convert to fraction form
395,828.08/546,293.34 = 221,407.98/x - Step 3: Cross multiply
395,828.08x = 546,293.34 × 221,407.98 - Step 4: Simplify right side
395,828.08x = 120,953,704,896.85 - Step 5: Solve for x
x = 120,953,704,896.85/395,828.08 - Step 6: Final answer
x = 305,571.31
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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.