Finding the Fourth Proportional to 339,497.68, 509,272.44 and 102,859.96
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Solution
The fourth proportional to 339,497.68, 509,272.44 and 102,859.96 is: 154,297.79
Step by Step Solution
- Step 1: Write the proportion equation
339,497.68 : 509,272.44 = 102,859.96 : x - Step 2: Convert to fraction form
339,497.68/509,272.44 = 102,859.96/x - Step 3: Cross multiply
339,497.68x = 509,272.44 × 102,859.96 - Step 4: Simplify right side
339,497.68x = 52,383,742,807.50 - Step 5: Solve for x
x = 52,383,742,807.50/339,497.68 - Step 6: Final answer
x = 154,297.79
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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.