Finding the Fourth Proportional to 281,763.37, 388,873.31 and 174,367.99
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Solution
The fourth proportional to 281,763.37, 388,873.31 and 174,367.99 is: 240,652.49
Step by Step Solution
- Step 1: Write the proportion equation
281,763.37 : 388,873.31 = 174,367.99 : x - Step 2: Convert to fraction form
281,763.37/388,873.31 = 174,367.99/x - Step 3: Cross multiply
281,763.37x = 388,873.31 × 174,367.99 - Step 4: Simplify right side
281,763.37x = 67,807,057,429.35 - Step 5: Solve for x
x = 67,807,057,429.35/281,763.37 - Step 6: Final answer
x = 240,652.49
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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.