Finding the Fourth Proportional to 418,668.75, 577,745.37 and 237,392.97
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Solution
The fourth proportional to 418,668.75, 577,745.37 and 237,392.97 is: 327,592.37
Step by Step Solution
- Step 1: Write the proportion equation
418,668.75 : 577,745.37 = 237,392.97 : x - Step 2: Convert to fraction form
418,668.75/577,745.37 = 237,392.97/x - Step 3: Cross multiply
418,668.75x = 577,745.37 × 237,392.97 - Step 4: Simplify right side
418,668.75x = 137,152,689,288.05 - Step 5: Solve for x
x = 137,152,689,288.05/418,668.75 - Step 6: Final answer
x = 327,592.37
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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.