Finding the Fourth Proportional to 192,438.48, 265,560.51 and 107,563.44
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Solution
The fourth proportional to 192,438.48, 265,560.51 and 107,563.44 is: 148,434.98
Step by Step Solution
- Step 1: Write the proportion equation
192,438.48 : 265,560.51 = 107,563.44 : x - Step 2: Convert to fraction form
192,438.48/265,560.51 = 107,563.44/x - Step 3: Cross multiply
192,438.48x = 265,560.51 × 107,563.44 - Step 4: Simplify right side
192,438.48x = 28,564,601,284.15 - Step 5: Solve for x
x = 28,564,601,284.15/192,438.48 - Step 6: Final answer
x = 148,434.98
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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.