Finding the Fourth Proportional to 263,683.85, 363,880.52 and 160,283.79
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Solution
The fourth proportional to 263,683.85, 363,880.52 and 160,283.79 is: 221,189.69
Step by Step Solution
- Step 1: Write the proportion equation
263,683.85 : 363,880.52 = 160,283.79 : x - Step 2: Convert to fraction form
263,683.85/363,880.52 = 160,283.79/x - Step 3: Cross multiply
263,683.85x = 363,880.52 × 160,283.79 - Step 4: Simplify right side
263,683.85x = 58,324,148,652.42 - Step 5: Solve for x
x = 58,324,148,652.42/263,683.85 - Step 6: Final answer
x = 221,189.69
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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.