Finding the Fourth Proportional to 305,239.94, 457,937.71 and 94,879.70
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Solution
The fourth proportional to 305,239.94, 457,937.71 and 94,879.70 is: 142,343.73
Step by Step Solution
- Step 1: Write the proportion equation
305,239.94 : 457,937.71 = 94,879.70 : x - Step 2: Convert to fraction form
305,239.94/457,937.71 = 94,879.70/x - Step 3: Cross multiply
305,239.94x = 457,937.71 × 94,879.70 - Step 4: Simplify right side
305,239.94x = 43,448,992,543.49 - Step 5: Solve for x
x = 43,448,992,543.49/305,239.94 - Step 6: Final answer
x = 142,343.73
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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.