Finding the Fourth Proportional to 251,777.67, 377,528.46 and 99,820.81
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Solution
The fourth proportional to 251,777.67, 377,528.46 and 99,820.81 is: 149,676.49
Step by Step Solution
- Step 1: Write the proportion equation
251,777.67 : 377,528.46 = 99,820.81 : x - Step 2: Convert to fraction form
251,777.67/377,528.46 = 99,820.81/x - Step 3: Cross multiply
251,777.67x = 377,528.46 × 99,820.81 - Step 4: Simplify right side
251,777.67x = 37,685,196,675.25 - Step 5: Solve for x
x = 37,685,196,675.25/251,777.67 - Step 6: Final answer
x = 149,676.49
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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.