Finding the Fourth Proportional to 613,197.68, 919,800.62 and 213,836.92
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Solution
The fourth proportional to 613,197.68, 919,800.62 and 213,836.92 is: 320,756.81
Step by Step Solution
- Step 1: Write the proportion equation
613,197.68 : 919,800.62 = 213,836.92 : x - Step 2: Convert to fraction form
613,197.68/919,800.62 = 213,836.92/x - Step 3: Cross multiply
613,197.68x = 919,800.62 × 213,836.92 - Step 4: Simplify right side
613,197.68x = 196,687,331,594.89 - Step 5: Solve for x
x = 196,687,331,594.89/613,197.68 - Step 6: Final answer
x = 320,756.81
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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.