Finding the Fourth Proportional to 192,495.72, 265,644.99 and 107,610.96
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Solution
The fourth proportional to 192,495.72, 265,644.99 and 107,610.96 is: 148,503.63
Step by Step Solution
- Step 1: Write the proportion equation
192,495.72 : 265,644.99 = 107,610.96 : x - Step 2: Convert to fraction form
192,495.72/265,644.99 = 107,610.96/x - Step 3: Cross multiply
192,495.72x = 265,644.99 × 107,610.96 - Step 4: Simplify right side
192,495.72x = 28,586,312,393.09 - Step 5: Solve for x
x = 28,586,312,393.09/192,495.72 - Step 6: Final answer
x = 148,503.63
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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.