Finding the Fourth Proportional to 344,295.90, 516,444.21 and 107,639.82
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Solution
The fourth proportional to 344,295.90, 516,444.21 and 107,639.82 is: 161,459.84
Step by Step Solution
- Step 1: Write the proportion equation
344,295.90 : 516,444.21 = 107,639.82 : x - Step 2: Convert to fraction form
344,295.90/516,444.21 = 107,639.82/x - Step 3: Cross multiply
344,295.90x = 516,444.21 × 107,639.82 - Step 4: Simplify right side
344,295.90x = 55,589,961,804.44 - Step 5: Solve for x
x = 55,589,961,804.44/344,295.90 - Step 6: Final answer
x = 161,459.84
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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.