Finding the Fourth Proportional to 398,276.68, 597,419.88 and 117,799.60
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Solution
The fourth proportional to 398,276.68, 597,419.88 and 117,799.60 is: 176,700.84
Step by Step Solution
- Step 1: Write the proportion equation
398,276.68 : 597,419.88 = 117,799.60 : x - Step 2: Convert to fraction form
398,276.68/597,419.88 = 117,799.60/x - Step 3: Cross multiply
398,276.68x = 597,419.88 × 117,799.60 - Step 4: Simplify right side
398,276.68x = 70,375,822,896.05 - Step 5: Solve for x
x = 70,375,822,896.05/398,276.68 - Step 6: Final answer
x = 176,700.84
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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.