Finding the Fourth Proportional to 245,331.75, 367,997.63 and 79,119.75
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Solution
The fourth proportional to 245,331.75, 367,997.63 and 79,119.75 is: 118,679.63
Step by Step Solution
- Step 1: Write the proportion equation
245,331.75 : 367,997.63 = 79,119.75 : x - Step 2: Convert to fraction form
245,331.75/367,997.63 = 79,119.75/x - Step 3: Cross multiply
245,331.75x = 367,997.63 × 79,119.75 - Step 4: Simplify right side
245,331.75x = 29,115,880,486.19 - Step 5: Solve for x
x = 29,115,880,486.19/245,331.75 - Step 6: Final answer
x = 118,679.63
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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.