Finding the Fourth Proportional to 150,309.64, 206,812.74 and 130,102.12
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Solution
The fourth proportional to 150,309.64, 206,812.74 and 130,102.12 is: 179,008.98
Step by Step Solution
- Step 1: Write the proportion equation
150,309.64 : 206,812.74 = 130,102.12 : x - Step 2: Convert to fraction form
150,309.64/206,812.74 = 130,102.12/x - Step 3: Cross multiply
150,309.64x = 206,812.74 × 130,102.12 - Step 4: Simplify right side
150,309.64x = 26,906,775,917.01 - Step 5: Solve for x
x = 26,906,775,917.01/150,309.64 - Step 6: Final answer
x = 179,008.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.