Finding the Fourth Proportional to 206,866.70, 310,293.84 and 57,116.13
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Solution
The fourth proportional to 206,866.70, 310,293.84 and 57,116.13 is: 85,672.48
Step by Step Solution
- Step 1: Write the proportion equation
206,866.70 : 310,293.84 = 57,116.13 : x - Step 2: Convert to fraction form
206,866.70/310,293.84 = 57,116.13/x - Step 3: Cross multiply
206,866.70x = 310,293.84 × 57,116.13 - Step 4: Simplify right side
206,866.70x = 17,722,783,303.64 - Step 5: Solve for x
x = 17,722,783,303.64/206,866.70 - Step 6: Final answer
x = 85,672.48
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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.