Finding the Fourth Proportional to 210,190.18, 290,062.44 and 134,738.68
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Solution
The fourth proportional to 210,190.18, 290,062.44 and 134,738.68 is: 185,939.37
Step by Step Solution
- Step 1: Write the proportion equation
210,190.18 : 290,062.44 = 134,738.68 : x - Step 2: Convert to fraction form
210,190.18/290,062.44 = 134,738.68/x - Step 3: Cross multiply
210,190.18x = 290,062.44 × 134,738.68 - Step 4: Simplify right side
210,190.18x = 39,082,630,283.18 - Step 5: Solve for x
x = 39,082,630,283.18/210,190.18 - Step 6: Final answer
x = 185,939.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.