Finding the Fourth Proportional to 395,699.36, 546,075.21 and 242,821.99
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Solution
The fourth proportional to 395,699.36, 546,075.21 and 242,821.99 is: 335,100.53
Step by Step Solution
- Step 1: Write the proportion equation
395,699.36 : 546,075.21 = 242,821.99 : x - Step 2: Convert to fraction form
395,699.36/546,075.21 = 242,821.99/x - Step 3: Cross multiply
395,699.36x = 546,075.21 × 242,821.99 - Step 4: Simplify right side
395,699.36x = 132,599,065,844.44 - Step 5: Solve for x
x = 132,599,065,844.44/395,699.36 - Step 6: Final answer
x = 335,100.53
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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.