Finding the Fourth Proportional to 190,139.55, 262,395.68 and 104,097.09
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Solution
The fourth proportional to 190,139.55, 262,395.68 and 104,097.09 is: 143,655.68
Step by Step Solution
- Step 1: Write the proportion equation
190,139.55 : 262,395.68 = 104,097.09 : x - Step 2: Convert to fraction form
190,139.55/262,395.68 = 104,097.09/x - Step 3: Cross multiply
190,139.55x = 262,395.68 × 104,097.09 - Step 4: Simplify right side
190,139.55x = 27,314,626,716.57 - Step 5: Solve for x
x = 27,314,626,716.57/190,139.55 - Step 6: Final answer
x = 143,655.68
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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.