Finding the Fourth Proportional to 229,261.70, 343,892.55 and 201,613.70
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Solution
The fourth proportional to 229,261.70, 343,892.55 and 201,613.70 is: 302,420.55
Step by Step Solution
- Step 1: Write the proportion equation
229,261.70 : 343,892.55 = 201,613.70 : x - Step 2: Convert to fraction form
229,261.70/343,892.55 = 201,613.70/x - Step 3: Cross multiply
229,261.70x = 343,892.55 × 201,613.70 - Step 4: Simplify right side
229,261.70x = 69,333,449,407.94 - Step 5: Solve for x
x = 69,333,449,407.94/229,261.70 - Step 6: Final answer
x = 302,420.55
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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.