Finding the Fourth Proportional to 210,761.68, 290,851.32 and 115,268.08
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Solution
The fourth proportional to 210,761.68, 290,851.32 and 115,268.08 is: 159,070.06
Step by Step Solution
- Step 1: Write the proportion equation
210,761.68 : 290,851.32 = 115,268.08 : x - Step 2: Convert to fraction form
210,761.68/290,851.32 = 115,268.08/x - Step 3: Cross multiply
210,761.68x = 290,851.32 × 115,268.08 - Step 4: Simplify right side
210,761.68x = 33,525,873,221.87 - Step 5: Solve for x
x = 33,525,873,221.87/210,761.68 - Step 6: Final answer
x = 159,070.06
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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.