Finding the Fourth Proportional to 398,815.08, 550,351.38 and 237,586.62
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Solution
The fourth proportional to 398,815.08, 550,351.38 and 237,586.62 is: 327,861.53
Step by Step Solution
- Step 1: Write the proportion equation
398,815.08 : 550,351.38 = 237,586.62 : x - Step 2: Convert to fraction form
398,815.08/550,351.38 = 237,586.62/x - Step 3: Cross multiply
398,815.08x = 550,351.38 × 237,586.62 - Step 4: Simplify right side
398,815.08x = 130,756,124,186.54 - Step 5: Solve for x
x = 130,756,124,186.54/398,815.08 - Step 6: Final answer
x = 327,861.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.