Finding the Fourth Proportional to 252,791.91, 378,730.99 and 157,976.58
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Solution
The fourth proportional to 252,791.91, 378,730.99 and 157,976.58 is: 236,679.35
Step by Step Solution
- Step 1: Write the proportion equation
252,791.91 : 378,730.99 = 157,976.58 : x - Step 2: Convert to fraction form
252,791.91/378,730.99 = 157,976.58/x - Step 3: Cross multiply
252,791.91x = 378,730.99 × 157,976.58 - Step 4: Simplify right side
252,791.91x = 59,830,626,027.56 - Step 5: Solve for x
x = 59,830,626,027.56/252,791.91 - Step 6: Final answer
x = 236,679.35
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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.