Finding the Fourth Proportional to 305,750.24, 458,157.78 and 128,160.44
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Solution
The fourth proportional to 305,750.24, 458,157.78 and 128,160.44 is: 192,044.67
Step by Step Solution
- Step 1: Write the proportion equation
305,750.24 : 458,157.78 = 128,160.44 : x - Step 2: Convert to fraction form
305,750.24/458,157.78 = 128,160.44/x - Step 3: Cross multiply
305,750.24x = 458,157.78 × 128,160.44 - Step 4: Simplify right side
305,750.24x = 58,717,702,674.22 - Step 5: Solve for x
x = 58,717,702,674.22/305,750.24 - Step 6: Final answer
x = 192,044.67
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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.