Finding the Fourth Proportional to 102,207.70, 153,299.86 and 27,333.68
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Solution
The fourth proportional to 102,207.70, 153,299.86 and 27,333.68 is: 40,997.39
Step by Step Solution
- Step 1: Write the proportion equation
102,207.70 : 153,299.86 = 27,333.68 : x - Step 2: Convert to fraction form
102,207.70/153,299.86 = 27,333.68/x - Step 3: Cross multiply
102,207.70x = 153,299.86 × 27,333.68 - Step 4: Simplify right side
102,207.70x = 4,190,249,317.28 - Step 5: Solve for x
x = 4,190,249,317.28/102,207.70 - Step 6: Final answer
x = 40,997.39
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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.