Finding the Fourth Proportional to 331,263.68, 456,991.02 and 195,204.68
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Solution
The fourth proportional to 331,263.68, 456,991.02 and 195,204.68 is: 269,292.38
Step by Step Solution
- Step 1: Write the proportion equation
331,263.68 : 456,991.02 = 195,204.68 : x - Step 2: Convert to fraction form
331,263.68/456,991.02 = 195,204.68/x - Step 3: Cross multiply
331,263.68x = 456,991.02 × 195,204.68 - Step 4: Simplify right side
331,263.68x = 89,206,785,821.97 - Step 5: Solve for x
x = 89,206,785,821.97/331,263.68 - Step 6: Final answer
x = 269,292.38
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1.5x scale
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.