Finding the Fourth Proportional to 226,330.68, 339,443.36 and 84,242.88
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Solution
The fourth proportional to 226,330.68, 339,443.36 and 84,242.88 is: 126,344.71
Step by Step Solution
- Step 1: Write the proportion equation
226,330.68 : 339,443.36 = 84,242.88 : x - Step 2: Convert to fraction form
226,330.68/339,443.36 = 84,242.88/x - Step 3: Cross multiply
226,330.68x = 339,443.36 × 84,242.88 - Step 4: Simplify right side
226,330.68x = 28,595,684,549.15 - Step 5: Solve for x
x = 28,595,684,549.15/226,330.68 - Step 6: Final answer
x = 126,344.71
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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.