Finding the Fourth Proportional to 226,254.12, 339,381.99 and 76,495.74
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Solution
The fourth proportional to 226,254.12, 339,381.99 and 76,495.74 is: 114,743.88
Step by Step Solution
- Step 1: Write the proportion equation
226,254.12 : 339,381.99 = 76,495.74 : x - Step 2: Convert to fraction form
226,254.12/339,381.99 = 76,495.74/x - Step 3: Cross multiply
226,254.12x = 339,381.99 × 76,495.74 - Step 4: Simplify right side
226,254.12x = 25,961,276,467.72 - Step 5: Solve for x
x = 25,961,276,467.72/226,254.12 - Step 6: Final answer
x = 114,743.88
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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.