Finding the Fourth Proportional to 210,299.09, 290,202.62 and 119,646.59
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Solution
The fourth proportional to 210,299.09, 290,202.62 and 119,646.59 is: 165,106.53
Step by Step Solution
- Step 1: Write the proportion equation
210,299.09 : 290,202.62 = 119,646.59 : x - Step 2: Convert to fraction form
210,299.09/290,202.62 = 119,646.59/x - Step 3: Cross multiply
210,299.09x = 290,202.62 × 119,646.59 - Step 4: Simplify right side
210,299.09x = 34,721,751,842.82 - Step 5: Solve for x
x = 34,721,751,842.82/210,299.09 - Step 6: Final answer
x = 165,106.53
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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.