Finding the Fourth Proportional to 395,303.68, 545,515.26 and 214,010.98
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Solution
The fourth proportional to 395,303.68, 545,515.26 and 214,010.98 is: 295,333.09
Step by Step Solution
- Step 1: Write the proportion equation
395,303.68 : 545,515.26 = 214,010.98 : x - Step 2: Convert to fraction form
395,303.68/545,515.26 = 214,010.98/x - Step 3: Cross multiply
395,303.68x = 545,515.26 × 214,010.98 - Step 4: Simplify right side
395,303.68x = 116,746,255,397.56 - Step 5: Solve for x
x = 116,746,255,397.56/395,303.68 - Step 6: Final answer
x = 295,333.09
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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.