Finding the Fourth Proportional to 491,823.99, 678,751.83 and 274,047.09
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Solution
The fourth proportional to 491,823.99, 678,751.83 and 274,047.09 is: 378,204.33
Step by Step Solution
- Step 1: Write the proportion equation
491,823.99 : 678,751.83 = 274,047.09 : x - Step 2: Convert to fraction form
491,823.99/678,751.83 = 274,047.09/x - Step 3: Cross multiply
491,823.99x = 678,751.83 × 274,047.09 - Step 4: Simplify right side
491,823.99x = 186,009,963,843.68 - Step 5: Solve for x
x = 186,009,963,843.68/491,823.99 - Step 6: Final answer
x = 378,204.33
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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.