Finding the Fourth Proportional to 203,752.99, 305,629.47 and 77,392.92
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Solution
The fourth proportional to 203,752.99, 305,629.47 and 77,392.92 is: 116,089.38
Step by Step Solution
- Step 1: Write the proportion equation
203,752.99 : 305,629.47 = 77,392.92 : x - Step 2: Convert to fraction form
203,752.99/305,629.47 = 77,392.92/x - Step 3: Cross multiply
203,752.99x = 305,629.47 × 77,392.92 - Step 4: Simplify right side
203,752.99x = 23,653,558,267.46 - Step 5: Solve for x
x = 23,653,558,267.46/203,752.99 - Step 6: Final answer
x = 116,089.38
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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.