Finding the Fourth Proportional to 150,009.80, 225,014.70 and 39,201.80
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Solution
The fourth proportional to 150,009.80, 225,014.70 and 39,201.80 is: 58,802.70
Step by Step Solution
- Step 1: Write the proportion equation
150,009.80 : 225,014.70 = 39,201.80 : x - Step 2: Convert to fraction form
150,009.80/225,014.70 = 39,201.80/x - Step 3: Cross multiply
150,009.80x = 225,014.70 × 39,201.80 - Step 4: Simplify right side
150,009.80x = 8,820,981,266.46 - Step 5: Solve for x
x = 8,820,981,266.46/150,009.80 - Step 6: Final answer
x = 58,802.70
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1.5x scale
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.