Finding the Fourth Proportional to 102,368.21, 153,455.11 and 35,764.94
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Solution
The fourth proportional to 102,368.21, 153,455.11 and 35,764.94 is: 53,613.45
Step by Step Solution
- Step 1: Write the proportion equation
102,368.21 : 153,455.11 = 35,764.94 : x - Step 2: Convert to fraction form
102,368.21/153,455.11 = 35,764.94/x - Step 3: Cross multiply
102,368.21x = 153,455.11 × 35,764.94 - Step 4: Simplify right side
102,368.21x = 5,488,313,096.07 - Step 5: Solve for x
x = 5,488,313,096.07/102,368.21 - Step 6: Final answer
x = 53,613.45
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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.