Finding the Fourth Proportional to 210,550.08, 290,563.29 and 115,062.69
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Solution
The fourth proportional to 210,550.08, 290,563.29 and 115,062.69 is: 158,788.80
Step by Step Solution
- Step 1: Write the proportion equation
210,550.08 : 290,563.29 = 115,062.69 : x - Step 2: Convert to fraction form
210,550.08/290,563.29 = 115,062.69/x - Step 3: Cross multiply
210,550.08x = 290,563.29 × 115,062.69 - Step 4: Simplify right side
210,550.08x = 33,432,993,762.65 - Step 5: Solve for x
x = 33,432,993,762.65/210,550.08 - Step 6: Final answer
x = 158,788.80
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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.