Finding the Fourth Proportional to 228,546.99, 315,433.31 and 133,110.36
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Solution
The fourth proportional to 228,546.99, 315,433.31 and 133,110.36 is: 183,714.70
Step by Step Solution
- Step 1: Write the proportion equation
228,546.99 : 315,433.31 = 133,110.36 : x - Step 2: Convert to fraction form
228,546.99/315,433.31 = 133,110.36/x - Step 3: Cross multiply
228,546.99x = 315,433.31 × 133,110.36 - Step 4: Simplify right side
228,546.99x = 41,987,440,784.54 - Step 5: Solve for x
x = 41,987,440,784.54/228,546.99 - Step 6: Final answer
x = 183,714.70
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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.