Finding the Fourth Proportional to 210,682.08, 290,243.52 and 146,905.92
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Solution
The fourth proportional to 210,682.08, 290,243.52 and 146,905.92 is: 202,383.09
Step by Step Solution
- Step 1: Write the proportion equation
210,682.08 : 290,243.52 = 146,905.92 : x - Step 2: Convert to fraction form
210,682.08/290,243.52 = 146,905.92/x - Step 3: Cross multiply
210,682.08x = 290,243.52 × 146,905.92 - Step 4: Simplify right side
210,682.08x = 42,638,491,329.64 - Step 5: Solve for x
x = 42,638,491,329.64/210,682.08 - Step 6: Final answer
x = 202,383.09
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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.