Finding the Fourth Proportional to 395,044.96, 545,075.04 and 233,819.68
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Solution
The fourth proportional to 395,044.96, 545,075.04 and 233,819.68 is: 322,619.66
Step by Step Solution
- Step 1: Write the proportion equation
395,044.96 : 545,075.04 = 233,819.68 : x - Step 2: Convert to fraction form
395,044.96/545,075.04 = 233,819.68/x - Step 3: Cross multiply
395,044.96x = 545,075.04 × 233,819.68 - Step 4: Simplify right side
395,044.96x = 127,449,271,428.79 - Step 5: Solve for x
x = 127,449,271,428.79/395,044.96 - Step 6: Final answer
x = 322,619.66
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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.