Finding the Fourth Proportional to 190,802.79, 263,309.04 and 104,765.49
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Solution
The fourth proportional to 190,802.79, 263,309.04 and 104,765.49 is: 144,577.03
Step by Step Solution
- Step 1: Write the proportion equation
190,802.79 : 263,309.04 = 104,765.49 : x - Step 2: Convert to fraction form
190,802.79/263,309.04 = 104,765.49/x - Step 3: Cross multiply
190,802.79x = 263,309.04 × 104,765.49 - Step 4: Simplify right side
190,802.79x = 27,585,700,597.03 - Step 5: Solve for x
x = 27,585,700,597.03/190,802.79 - Step 6: Final answer
x = 144,577.03
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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.