Finding the Fourth Proportional to 344,463.75, 516,416.80 and 107,684.55
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Solution
The fourth proportional to 344,463.75, 516,416.80 and 107,684.55 is: 161,439.66
Step by Step Solution
- Step 1: Write the proportion equation
344,463.75 : 516,416.80 = 107,684.55 : x - Step 2: Convert to fraction form
344,463.75/516,416.80 = 107,684.55/x - Step 3: Cross multiply
344,463.75x = 516,416.80 × 107,684.55 - Step 4: Simplify right side
344,463.75x = 55,610,110,720.44 - Step 5: Solve for x
x = 55,610,110,720.44/344,463.75 - Step 6: Final answer
x = 161,439.66
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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.