Finding the Fourth Proportional to 285,203.12, 393,408.12 and 183,194.24
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Solution
The fourth proportional to 285,203.12, 393,408.12 and 183,194.24 is: 252,697.45
Step by Step Solution
- Step 1: Write the proportion equation
285,203.12 : 393,408.12 = 183,194.24 : x - Step 2: Convert to fraction form
285,203.12/393,408.12 = 183,194.24/x - Step 3: Cross multiply
285,203.12x = 393,408.12 × 183,194.24 - Step 4: Simplify right side
285,203.12x = 72,070,101,553.23 - Step 5: Solve for x
x = 72,070,101,553.23/285,203.12 - Step 6: Final answer
x = 252,697.45
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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.