Finding the Fourth Proportional to 953,240.13, 1,430,057.03 and 279,343.49
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Solution
The fourth proportional to 953,240.13, 1,430,057.03 and 279,343.49 is: 419,072.91
Step by Step Solution
- Step 1: Write the proportion equation
953,240.13 : 1,430,057.03 = 279,343.49 : x - Step 2: Convert to fraction form
953,240.13/1,430,057.03 = 279,343.49/x - Step 3: Cross multiply
953,240.13x = 1,430,057.03 × 279,343.49 - Step 4: Simplify right side
953,240.13x = 399,477,113,112.23 - Step 5: Solve for x
x = 399,477,113,112.23/953,240.13 - Step 6: Final answer
x = 419,072.91
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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.