Finding the Fourth Proportional to 395,252.76, 545,445.57 and 213,960.99
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Solution
The fourth proportional to 395,252.76, 545,445.57 and 213,960.99 is: 295,264.41
Step by Step Solution
- Step 1: Write the proportion equation
395,252.76 : 545,445.57 = 213,960.99 : x - Step 2: Convert to fraction form
395,252.76/545,445.57 = 213,960.99/x - Step 3: Cross multiply
395,252.76x = 545,445.57 × 213,960.99 - Step 4: Simplify right side
395,252.76x = 116,704,074,148.31 - Step 5: Solve for x
x = 116,704,074,148.31/395,252.76 - Step 6: Final answer
x = 295,264.41
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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.