Finding the Fourth Proportional to 436,137.20, 653,538.08 and 293,453.98
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Solution
The fourth proportional to 436,137.20, 653,538.08 and 293,453.98 is: 439,731.69
Step by Step Solution
- Step 1: Write the proportion equation
436,137.20 : 653,538.08 = 293,453.98 : x - Step 2: Convert to fraction form
436,137.20/653,538.08 = 293,453.98/x - Step 3: Cross multiply
436,137.20x = 653,538.08 × 293,453.98 - Step 4: Simplify right side
436,137.20x = 191,783,347,556.44 - Step 5: Solve for x
x = 191,783,347,556.44/436,137.20 - Step 6: Final answer
x = 439,731.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.