Finding the Fourth Proportional to 398,563.11, 597,987.18 and 170,763.03
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Solution
The fourth proportional to 398,563.11, 597,987.18 and 170,763.03 is: 256,205.61
Step by Step Solution
- Step 1: Write the proportion equation
398,563.11 : 597,987.18 = 170,763.03 : x - Step 2: Convert to fraction form
398,563.11/597,987.18 = 170,763.03/x - Step 3: Cross multiply
398,563.11x = 597,987.18 × 170,763.03 - Step 4: Simplify right side
398,563.11x = 102,114,102,757.96 - Step 5: Solve for x
x = 102,114,102,757.96/398,563.11 - Step 6: Final answer
x = 256,205.61
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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.