Finding the Fourth Proportional to 330,115.56, 455,771.16 and 226,921.36
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Solution
The fourth proportional to 330,115.56, 455,771.16 and 226,921.36 is: 313,296.99
Step by Step Solution
- Step 1: Write the proportion equation
330,115.56 : 455,771.16 = 226,921.36 : x - Step 2: Convert to fraction form
330,115.56/455,771.16 = 226,921.36/x - Step 3: Cross multiply
330,115.56x = 455,771.16 × 226,921.36 - Step 4: Simplify right side
330,115.56x = 103,424,211,475.98 - Step 5: Solve for x
x = 103,424,211,475.98/330,115.56 - Step 6: Final answer
x = 313,296.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.