Finding the Fourth Proportional to 665,900.05, 919,032.02 and 375,571.19
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Solution
The fourth proportional to 665,900.05, 919,032.02 and 375,571.19 is: 518,338.98
Step by Step Solution
- Step 1: Write the proportion equation
665,900.05 : 919,032.02 = 375,571.19 : x - Step 2: Convert to fraction form
665,900.05/919,032.02 = 375,571.19/x - Step 3: Cross multiply
665,900.05x = 919,032.02 × 375,571.19 - Step 4: Simplify right side
665,900.05x = 345,161,954,632.60 - Step 5: Solve for x
x = 345,161,954,632.60/665,900.05 - Step 6: Final answer
x = 518,338.98
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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.