Finding the Fourth Proportional to 344,463.12, 516,415.86 and 107,683.92
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Solution
The fourth proportional to 344,463.12, 516,415.86 and 107,683.92 is: 161,438.72
Step by Step Solution
- Step 1: Write the proportion equation
344,463.12 : 516,415.86 = 107,683.92 : x - Step 2: Convert to fraction form
344,463.12/516,415.86 = 107,683.92/x - Step 3: Cross multiply
344,463.12x = 516,415.86 × 107,683.92 - Step 4: Simplify right side
344,463.12x = 55,609,684,154.97 - Step 5: Solve for x
x = 55,609,684,154.97/344,463.12 - Step 6: Final answer
x = 161,438.72
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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.