Finding the Fourth Proportional to 398,725.68, 597,986.64 and 118,177.44
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Solution
The fourth proportional to 398,725.68, 597,986.64 and 118,177.44 is: 177,235.96
Step by Step Solution
- Step 1: Write the proportion equation
398,725.68 : 597,986.64 = 118,177.44 : x - Step 2: Convert to fraction form
398,725.68/597,986.64 = 118,177.44/x - Step 3: Cross multiply
398,725.68x = 597,986.64 × 118,177.44 - Step 4: Simplify right side
398,725.68x = 70,668,530,269.40 - Step 5: Solve for x
x = 70,668,530,269.40/398,725.68 - Step 6: Final answer
x = 177,235.96
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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.