Finding the Fourth Proportional to 457,324.56, 685,987.12 and 190,939.92
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Solution
The fourth proportional to 457,324.56, 685,987.12 and 190,939.92 is: 286,410.00
Step by Step Solution
- Step 1: Write the proportion equation
457,324.56 : 685,987.12 = 190,939.92 : x - Step 2: Convert to fraction form
457,324.56/685,987.12 = 190,939.92/x - Step 3: Cross multiply
457,324.56x = 685,987.12 × 190,939.92 - Step 4: Simplify right side
457,324.56x = 130,982,325,813.83 - Step 5: Solve for x
x = 130,982,325,813.83/457,324.56 - Step 6: Final answer
x = 286,410.00
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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.