Finding the Fourth Proportional to 398,754.93, 598,132.41 and 118,269.75
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Solution
The fourth proportional to 398,754.93, 598,132.41 and 118,269.75 is: 177,404.63
Step by Step Solution
- Step 1: Write the proportion equation
398,754.93 : 598,132.41 = 118,269.75 : x - Step 2: Convert to fraction form
398,754.93/598,132.41 = 118,269.75/x - Step 3: Cross multiply
398,754.93x = 598,132.41 × 118,269.75 - Step 4: Simplify right side
398,754.93x = 70,740,970,597.60 - Step 5: Solve for x
x = 70,740,970,597.60/398,754.93 - Step 6: Final answer
x = 177,404.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.