Finding the Fourth Proportional to 229,135.20, 343,011.60 and 201,487.20
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Solution
The fourth proportional to 229,135.20, 343,011.60 and 201,487.20 is: 301,623.00
Step by Step Solution
- Step 1: Write the proportion equation
229,135.20 : 343,011.60 = 201,487.20 : x - Step 2: Convert to fraction form
229,135.20/343,011.60 = 201,487.20/x - Step 3: Cross multiply
229,135.20x = 343,011.60 × 201,487.20 - Step 4: Simplify right side
229,135.20x = 69,112,446,851.52 - Step 5: Solve for x
x = 69,112,446,851.52/229,135.20 - Step 6: Final answer
x = 301,623.00
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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.