Finding the Fourth Proportional to 147,536.64, 203,592.96 and 80,455.68
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Solution
The fourth proportional to 147,536.64, 203,592.96 and 80,455.68 is: 111,024.69
Step by Step Solution
- Step 1: Write the proportion equation
147,536.64 : 203,592.96 = 80,455.68 : x - Step 2: Convert to fraction form
147,536.64/203,592.96 = 80,455.68/x - Step 3: Cross multiply
147,536.64x = 203,592.96 × 80,455.68 - Step 4: Simplify right side
147,536.64x = 16,380,210,040.01 - Step 5: Solve for x
x = 16,380,210,040.01/147,536.64 - Step 6: Final answer
x = 111,024.69
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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.