Finding the Fourth Proportional to 127,489.22, 175,750.69 and 84,396.51
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Solution
The fourth proportional to 127,489.22, 175,750.69 and 84,396.51 is: 116,345.09
Step by Step Solution
- Step 1: Write the proportion equation
127,489.22 : 175,750.69 = 84,396.51 : x - Step 2: Convert to fraction form
127,489.22/175,750.69 = 84,396.51/x - Step 3: Cross multiply
127,489.22x = 175,750.69 × 84,396.51 - Step 4: Simplify right side
127,489.22x = 14,832,744,866.09 - Step 5: Solve for x
x = 14,832,744,866.09/127,489.22 - Step 6: Final answer
x = 116,345.09
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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.