Finding the Fourth Proportional to 275,791.52, 413,585.12 and 98,251.36
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Solution
The fourth proportional to 275,791.52, 413,585.12 and 98,251.36 is: 147,340.65
Step by Step Solution
- Step 1: Write the proportion equation
275,791.52 : 413,585.12 = 98,251.36 : x - Step 2: Convert to fraction form
275,791.52/413,585.12 = 98,251.36/x - Step 3: Cross multiply
275,791.52x = 413,585.12 × 98,251.36 - Step 4: Simplify right side
275,791.52x = 40,635,300,515.76 - Step 5: Solve for x
x = 40,635,300,515.76/275,791.52 - Step 6: Final answer
x = 147,340.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.