Finding the Fourth Proportional to 276,290.73, 381,077.12 and 190,277.03
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Solution
The fourth proportional to 276,290.73, 381,077.12 and 190,277.03 is: 262,441.75
Step by Step Solution
- Step 1: Write the proportion equation
276,290.73 : 381,077.12 = 190,277.03 : x - Step 2: Convert to fraction form
276,290.73/381,077.12 = 190,277.03/x - Step 3: Cross multiply
276,290.73x = 381,077.12 × 190,277.03 - Step 4: Simplify right side
276,290.73x = 72,510,224,022.94 - Step 5: Solve for x
x = 72,510,224,022.94/276,290.73 - Step 6: Final answer
x = 262,441.75
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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.