Finding the Fourth Proportional to 229,259.20, 343,888.80 and 201,611.20
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Solution
The fourth proportional to 229,259.20, 343,888.80 and 201,611.20 is: 302,416.80
Step by Step Solution
- Step 1: Write the proportion equation
229,259.20 : 343,888.80 = 201,611.20 : x - Step 2: Convert to fraction form
229,259.20/343,888.80 = 201,611.20/x - Step 3: Cross multiply
229,259.20x = 343,888.80 × 201,611.20 - Step 4: Simplify right side
229,259.20x = 69,331,833,634.56 - Step 5: Solve for x
x = 69,331,833,634.56/229,259.20 - Step 6: Final answer
x = 302,416.80
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1.5x scale
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.