Finding the Fourth Proportional to 548,630.21, 757,092.12 and 306,907.58
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Solution
The fourth proportional to 548,630.21, 757,092.12 and 306,907.58 is: 423,522.63
Step by Step Solution
- Step 1: Write the proportion equation
548,630.21 : 757,092.12 = 306,907.58 : x - Step 2: Convert to fraction form
548,630.21/757,092.12 = 306,907.58/x - Step 3: Cross multiply
548,630.21x = 757,092.12 × 306,907.58 - Step 4: Simplify right side
548,630.21x = 232,357,311,128.10 - Step 5: Solve for x
x = 232,357,311,128.10/548,630.21 - Step 6: Final answer
x = 423,522.63
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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.