Finding the Fourth Proportional to 415,456.26, 623,289.53 and 115,936.80
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Solution
The fourth proportional to 415,456.26, 623,289.53 and 115,936.80 is: 173,934.54
Step by Step Solution
- Step 1: Write the proportion equation
415,456.26 : 623,289.53 = 115,936.80 : x - Step 2: Convert to fraction form
415,456.26/623,289.53 = 115,936.80/x - Step 3: Cross multiply
415,456.26x = 623,289.53 × 115,936.80 - Step 4: Simplify right side
415,456.26x = 72,262,193,002.02 - Step 5: Solve for x
x = 72,262,193,002.02/415,456.26 - Step 6: Final answer
x = 173,934.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.