Finding the Fourth Proportional to 540,637.05, 811,289.11 and 274,588.50
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Solution
The fourth proportional to 540,637.05, 811,289.11 and 274,588.50 is: 412,052.15
Step by Step Solution
- Step 1: Write the proportion equation
540,637.05 : 811,289.11 = 274,588.50 : x - Step 2: Convert to fraction form
540,637.05/811,289.11 = 274,588.50/x - Step 3: Cross multiply
540,637.05x = 811,289.11 × 274,588.50 - Step 4: Simplify right side
540,637.05x = 222,770,659,781.24 - Step 5: Solve for x
x = 222,770,659,781.24/540,637.05 - Step 6: Final answer
x = 412,052.15
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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.