Finding the Fourth Proportional to 398,412.80, 597,604.80 and 161,748.80
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Solution
The fourth proportional to 398,412.80, 597,604.80 and 161,748.80 is: 242,617.35
Step by Step Solution
- Step 1: Write the proportion equation
398,412.80 : 597,604.80 = 161,748.80 : x - Step 2: Convert to fraction form
398,412.80/597,604.80 = 161,748.80/x - Step 3: Cross multiply
398,412.80x = 597,604.80 × 161,748.80 - Step 4: Simplify right side
398,412.80x = 96,661,859,274.24 - Step 5: Solve for x
x = 96,661,859,274.24/398,412.80 - Step 6: Final answer
x = 242,617.35
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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.