Finding the Fourth Proportional to 318,815.18, 477,697.88 and 222,762.14
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Solution
The fourth proportional to 318,815.18, 477,697.88 and 222,762.14 is: 333,776.46
Step by Step Solution
- Step 1: Write the proportion equation
318,815.18 : 477,697.88 = 222,762.14 : x - Step 2: Convert to fraction form
318,815.18/477,697.88 = 222,762.14/x - Step 3: Cross multiply
318,815.18x = 477,697.88 × 222,762.14 - Step 4: Simplify right side
318,815.18x = 106,413,002,022.26 - Step 5: Solve for x
x = 106,413,002,022.26/318,815.18 - Step 6: Final answer
x = 333,776.46
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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.