Finding the Fourth Proportional to 395,527.22, 545,827.68 and 214,238.59
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Solution
The fourth proportional to 395,527.22, 545,827.68 and 214,238.59 is: 295,649.32
Step by Step Solution
- Step 1: Write the proportion equation
395,527.22 : 545,827.68 = 214,238.59 : x - Step 2: Convert to fraction form
395,527.22/545,827.68 = 214,238.59/x - Step 3: Cross multiply
395,527.22x = 545,827.68 × 214,238.59 - Step 4: Simplify right side
395,527.22x = 116,937,352,425.06 - Step 5: Solve for x
x = 116,937,352,425.06/395,527.22 - Step 6: Final answer
x = 295,649.32
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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.