Finding the Fourth Proportional to 210,220.18, 290,110.20 and 119,589.14
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Solution
The fourth proportional to 210,220.18, 290,110.20 and 119,589.14 is: 165,036.63
Step by Step Solution
- Step 1: Write the proportion equation
210,220.18 : 290,110.20 = 119,589.14 : x - Step 2: Convert to fraction form
210,220.18/290,110.20 = 119,589.14/x - Step 3: Cross multiply
210,220.18x = 290,110.20 × 119,589.14 - Step 4: Simplify right side
210,220.18x = 34,694,029,323.23 - Step 5: Solve for x
x = 34,694,029,323.23/210,220.18 - Step 6: Final answer
x = 165,036.63
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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.