Finding the Fourth Proportional to 510,935.76, 765,927.09 and 173,745.99
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Solution
The fourth proportional to 510,935.76, 765,927.09 and 173,745.99 is: 260,456.93
Step by Step Solution
- Step 1: Write the proportion equation
510,935.76 : 765,927.09 = 173,745.99 : x - Step 2: Convert to fraction form
510,935.76/765,927.09 = 173,745.99/x - Step 3: Cross multiply
510,935.76x = 765,927.09 × 173,745.99 - Step 4: Simplify right side
510,935.76x = 133,076,760,519.87 - Step 5: Solve for x
x = 133,076,760,519.87/510,935.76 - Step 6: Final answer
x = 260,456.93
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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.