Finding the Fourth Proportional to 399,542.36, 599,115.36 and 146,812.64
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Solution
The fourth proportional to 399,542.36, 599,115.36 and 146,812.64 is: 220,146.14
Step by Step Solution
- Step 1: Write the proportion equation
399,542.36 : 599,115.36 = 146,812.64 : x - Step 2: Convert to fraction form
399,542.36/599,115.36 = 146,812.64/x - Step 3: Cross multiply
399,542.36x = 599,115.36 × 146,812.64 - Step 4: Simplify right side
399,542.36x = 87,957,707,666.15 - Step 5: Solve for x
x = 87,957,707,666.15/399,542.36 - Step 6: Final answer
x = 220,146.14
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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.