Finding the Fourth Proportional to 398,683.68, 597,923.64 and 118,135.32
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Solution
The fourth proportional to 398,683.68, 597,923.64 and 118,135.32 is: 177,172.79
Step by Step Solution
- Step 1: Write the proportion equation
398,683.68 : 597,923.64 = 118,135.32 : x - Step 2: Convert to fraction form
398,683.68/597,923.64 = 118,135.32/x - Step 3: Cross multiply
398,683.68x = 597,923.64 × 118,135.32 - Step 4: Simplify right side
398,683.68x = 70,635,900,546.96 - Step 5: Solve for x
x = 70,635,900,546.96/398,683.68 - Step 6: Final answer
x = 177,172.79
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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.