Finding the Fourth Proportional to 206,688.26, 310,034.06 and 56,936.80
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Solution
The fourth proportional to 206,688.26, 310,034.06 and 56,936.80 is: 85,405.66
Step by Step Solution
- Step 1: Write the proportion equation
206,688.26 : 310,034.06 = 56,936.80 : x - Step 2: Convert to fraction form
206,688.26/310,034.06 = 56,936.80/x - Step 3: Cross multiply
206,688.26x = 310,034.06 × 56,936.80 - Step 4: Simplify right side
206,688.26x = 17,652,347,267.41 - Step 5: Solve for x
x = 17,652,347,267.41/206,688.26 - Step 6: Final answer
x = 85,405.66
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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.