Finding the Fourth Proportional to 251,287.56, 346,770.99 and 136,563.48
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Solution
The fourth proportional to 251,287.56, 346,770.99 and 136,563.48 is: 188,454.43
Step by Step Solution
- Step 1: Write the proportion equation
251,287.56 : 346,770.99 = 136,563.48 : x - Step 2: Convert to fraction form
251,287.56/346,770.99 = 136,563.48/x - Step 3: Cross multiply
251,287.56x = 346,770.99 × 136,563.48 - Step 4: Simplify right side
251,287.56x = 47,356,253,157.45 - Step 5: Solve for x
x = 47,356,253,157.45/251,287.56 - Step 6: Final answer
x = 188,454.43
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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.